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UnratedFix available

Fix CVE(s): CVE-2026-56361, CVE-2026-56368

Type: advisorySources: OSV

* SECURITY UPDATE: off-by-one out-of-bounds read in morphology kernel validation - debian/patches/CVE-2026-56361.patch: reject a User Defined kernel origin equal to the kernel width/height in magick/morphology.c - CVE-2026-56361 * SECURITY UPDATE: memory leak in coders that write raw pixel data - debian/patches/CVE-2026-56368.patch: free quantum_info on the OpenBlob failure paths in coders/bgr.c, cmyk.c, rgb.c and ycbcr.c - CVE-2026-56368

Products
imagemagick, imagemagick-6.q16, imagemagick-common, imagemagick-doc, libimage-magick-perl, libimage-magick-q16-perl, libmagick++-6-headers, libmagick++-6.q16-5v5, libmagick++-6.q16-dev, libmagick++-dev, libmagickcore-6-arch-config, libmagickcore-6-headers, libmagickcore-6.q16-2, libmagickcore-6.q16-2-extra, libmagickcore-6.q16-dev, libmagickcore-dev, libmagickwand-6-headers, libmagickwand-6.q16-2, libmagickwand-6.q16-dev, libmagickwand-dev, perlmagick
Affected versions
Not specified
Fixed versions
8:6.8.9.9-7ubuntu5.17+tuxcare.els54
CVEs
CVE-2026-56361, CVE-2026-56368
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 11:08 UTC · Revision 1

Source evidence

Fix CVE(s): CVE-2026-56361, CVE-2026-56368

core-osv · Original source

Published 16 Jul 2026, 09:05 UTC

* SECURITY UPDATE: off-by-one out-of-bounds read in morphology kernel validation - debian/patches/CVE-2026-56361.patch: reject a User Defined kernel origin equal to the kernel width/height in magick/morphology.c - CVE-2026-56361 * SECURITY UPDATE: memory leak in coders that write raw pixel data - debian/patches/CVE-2026-56368.patch: free quantum_info on the OpenBlob failure paths in coders/bgr.c, cmyk.c, rgb.c and ycbcr.c - CVE-2026-56368

osv:CLSA-2026-1784192721

imagemagick

Fixed versions: 8:6.8.9.9-7ubuntu5.17+tuxcare.els54

imagemagick-6.q16

Fixed versions: 8:6.8.9.9-7ubuntu5.17+tuxcare.els54

imagemagick-common

Fixed versions: 8:6.8.9.9-7ubuntu5.17+tuxcare.els54

imagemagick-doc

Fixed versions: 8:6.8.9.9-7ubuntu5.17+tuxcare.els54

libimage-magick-perl

Fixed versions: 8:6.8.9.9-7ubuntu5.17+tuxcare.els54

libimage-magick-q16-perl

Fixed versions: 8:6.8.9.9-7ubuntu5.17+tuxcare.els54

libmagick++-6-headers

Fixed versions: 8:6.8.9.9-7ubuntu5.17+tuxcare.els54

libmagick++-6.q16-5v5

Fixed versions: 8:6.8.9.9-7ubuntu5.17+tuxcare.els54

libmagick++-6.q16-dev

Fixed versions: 8:6.8.9.9-7ubuntu5.17+tuxcare.els54

libmagick++-dev

Fixed versions: 8:6.8.9.9-7ubuntu5.17+tuxcare.els54

libmagickcore-6-arch-config

Fixed versions: 8:6.8.9.9-7ubuntu5.17+tuxcare.els54

libmagickcore-6-headers

Fixed versions: 8:6.8.9.9-7ubuntu5.17+tuxcare.els54

libmagickcore-6.q16-2

Fixed versions: 8:6.8.9.9-7ubuntu5.17+tuxcare.els54

libmagickcore-6.q16-2-extra

Fixed versions: 8:6.8.9.9-7ubuntu5.17+tuxcare.els54

libmagickcore-6.q16-dev

Fixed versions: 8:6.8.9.9-7ubuntu5.17+tuxcare.els54

libmagickcore-dev

Fixed versions: 8:6.8.9.9-7ubuntu5.17+tuxcare.els54

libmagickwand-6-headers

Fixed versions: 8:6.8.9.9-7ubuntu5.17+tuxcare.els54

libmagickwand-6.q16-2

Fixed versions: 8:6.8.9.9-7ubuntu5.17+tuxcare.els54

libmagickwand-6.q16-dev

Fixed versions: 8:6.8.9.9-7ubuntu5.17+tuxcare.els54

libmagickwand-dev

Fixed versions: 8:6.8.9.9-7ubuntu5.17+tuxcare.els54

perlmagick

Fixed versions: 8:6.8.9.9-7ubuntu5.17+tuxcare.els54

Complete source record
{
  "id": "336fca6ba092764509eff39f28387bf40ab8296bfd96d5a3e7ab5405794010b2",
  "url": "https://osv.dev/vulnerability/CLSA-2026-1784192721",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Fix CVE(s): CVE-2026-56361, CVE-2026-56368",
    "summary": "* SECURITY UPDATE: off-by-one out-of-bounds read in morphology kernel validation - debian/patches/CVE-2026-56361.patch: reject a User Defined kernel origin equal to the kernel width/height in magick/morphology.c - CVE-2026-56361 * SECURITY UPDATE: memory leak in coders that write raw pixel data - debian/patches/CVE-2026-56368.patch: free quantum_info on the OpenBlob failure paths in coders/bgr.c, cmyk.c, rgb.c and ycbcr.c - CVE-2026-56368",
    "evidence": "osv:CLSA-2026-1784192721",
    "products": [
      {
        "name": {
          "value": "imagemagick",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "8:6.8.9.9-7ubuntu5.17+tuxcare.els54",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "imagemagick-6.q16",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "8:6.8.9.9-7ubuntu5.17+tuxcare.els54",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "imagemagick-common",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "8:6.8.9.9-7ubuntu5.17+tuxcare.els54",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "imagemagick-doc",
          "evidence": "/affected/3/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "8:6.8.9.9-7ubuntu5.17+tuxcare.els54",
            "evidence": "/affected/3/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libimage-magick-perl",
          "evidence": "/affected/4/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "8:6.8.9.9-7ubuntu5.17+tuxcare.els54",
            "evidence": "/affected/4/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libimage-magick-q16-perl",
          "evidence": "/affected/5/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "8:6.8.9.9-7ubuntu5.17+tuxcare.els54",
            "evidence": "/affected/5/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libmagick++-6-headers",
          "evidence": "/affected/6/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "8:6.8.9.9-7ubuntu5.17+tuxcare.els54",
            "evidence": "/affected/6/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libmagick++-6.q16-5v5",
          "evidence": "/affected/7/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "8:6.8.9.9-7ubuntu5.17+tuxcare.els54",
            "evidence": "/affected/7/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libmagick++-6.q16-dev",
          "evidence": "/affected/8/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "8:6.8.9.9-7ubuntu5.17+tuxcare.els54",
            "evidence": "/affected/8/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libmagick++-dev",
          "evidence": "/affected/9/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "8:6.8.9.9-7ubuntu5.17+tuxcare.els54",
            "evidence": "/affected/9/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libmagickcore-6-arch-config",
          "evidence": "/affected/10/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "8:6.8.9.9-7ubuntu5.17+tuxcare.els54",
            "evidence": "/affected/10/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libmagickcore-6-headers",
          "evidence": "/affected/11/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "8:6.8.9.9-7ubuntu5.17+tuxcare.els54",
            "evidence": "/affected/11/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libmagickcore-6.q16-2",
          "evidence": "/affected/12/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "8:6.8.9.9-7ubuntu5.17+tuxcare.els54",
            "evidence": "/affected/12/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libmagickcore-6.q16-2-extra",
          "evidence": "/affected/13/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "8:6.8.9.9-7ubuntu5.17+tuxcare.els54",
            "evidence": "/affected/13/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libmagickcore-6.q16-dev",
          "evidence": "/affected/14/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "8:6.8.9.9-7ubuntu5.17+tuxcare.els54",
            "evidence": "/affected/14/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libmagickcore-dev",
          "evidence": "/affected/15/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "8:6.8.9.9-7ubuntu5.17+tuxcare.els54",
            "evidence": "/affected/15/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libmagickwand-6-headers",
          "evidence": "/affected/16/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "8:6.8.9.9-7ubuntu5.17+tuxcare.els54",
            "evidence": "/affected/16/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libmagickwand-6.q16-2",
          "evidence": "/affected/17/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "8:6.8.9.9-7ubuntu5.17+tuxcare.els54",
            "evidence": "/affected/17/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libmagickwand-6.q16-dev",
          "evidence": "/affected/18/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "8:6.8.9.9-7ubuntu5.17+tuxcare.els54",
            "evidence": "/affected/18/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libmagickwand-dev",
          "evidence": "/affected/19/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "8:6.8.9.9-7ubuntu5.17+tuxcare.els54",
            "evidence": "/affected/19/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "perlmagick",
          "evidence": "/affected/20/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "8:6.8.9.9-7ubuntu5.17+tuxcare.els54",
            "evidence": "/affected/20/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CLSA-2026-1784192721",
      "aliases": [
        "CLSA-2026-1784192721"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "8:6.8.9.9-7ubuntu5.17+tuxcare.els54"
                }
              ]
            }
          ],
          "package": {
            "name": "imagemagick",
            "purl": "pkg:deb/tuxcare/imagemagick?distro=ubuntu-16.04",
            "ecosystem": "TuxCare:Ubuntu:16.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1784192721.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "8:6.8.9.9-7ubuntu5.17+tuxcare.els54"
                }
              ]
            }
          ],
          "package": {
            "name": "imagemagick-6.q16",
            "purl": "pkg:deb/tuxcare/imagemagick-6.q16?distro=ubuntu-16.04",
            "ecosystem": "TuxCare:Ubuntu:16.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1784192721.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "8:6.8.9.9-7ubuntu5.17+tuxcare.els54"
                }
              ]
            }
          ],
          "package": {
            "name": "imagemagick-common",
            "purl": "pkg:deb/tuxcare/imagemagick-common?distro=ubuntu-16.04",
            "ecosystem": "TuxCare:Ubuntu:16.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1784192721.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "8:6.8.9.9-7ubuntu5.17+tuxcare.els54"
                }
              ]
            }
          ],
          "package": {
            "name": "imagemagick-doc",
            "purl": "pkg:deb/tuxcare/imagemagick-doc?distro=ubuntu-16.04",
            "ecosystem": "TuxCare:Ubuntu:16.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1784192721.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "8:6.8.9.9-7ubuntu5.17+tuxcare.els54"
                }
              ]
            }
          ],
          "package": {
            "name": "libimage-magick-perl",
            "purl": "pkg:deb/tuxcare/libimage-magick-perl?distro=ubuntu-16.04",
            "ecosystem": "TuxCare:Ubuntu:16.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1784192721.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "8:6.8.9.9-7ubuntu5.17+tuxcare.els54"
                }
              ]
            }
          ],
          "package": {
            "name": "libimage-magick-q16-perl",
            "purl": "pkg:deb/tuxcare/libimage-magick-q16-perl?distro=ubuntu-16.04",
            "ecosystem": "TuxCare:Ubuntu:16.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1784192721.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "8:6.8.9.9-7ubuntu5.17+tuxcare.els54"
                }
              ]
            }
          ],
          "package": {
            "name": "libmagick++-6-headers",
            "purl": "pkg:deb/tuxcare/libmagick++-6-headers?distro=ubuntu-16.04",
            "ecosystem": "TuxCare:Ubuntu:16.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1784192721.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "8:6.8.9.9-7ubuntu5.17+tuxcare.els54"
                }
              ]
            }
          ],
          "package": {
            "name": "libmagick++-6.q16-5v5",
            "purl": "pkg:deb/tuxcare/libmagick++-6.q16-5v5?distro=ubuntu-16.04",
            "ecosystem": "TuxCare:Ubuntu:16.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1784192721.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "8:6.8.9.9-7ubuntu5.17+tuxcare.els54"
                }
              ]
            }
          ],
          "package": {
            "name": "libmagick++-6.q16-dev",
            "purl": "pkg:deb/tuxcare/libmagick++-6.q16-dev?distro=ubuntu-16.04",
            "ecosystem": "TuxCare:Ubuntu:16.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1784192721.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "8:6.8.9.9-7ubuntu5.17+tuxcare.els54"
                }
              ]
            }
          ],
          "package": {
            "name": "libmagick++-dev",
            "purl": "pkg:deb/tuxcare/libmagick++-dev?distro=ubuntu-16.04",
            "ecosystem": "TuxCare:Ubuntu:16.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1784192721.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "8:6.8.9.9-7ubuntu5.17+tuxcare.els54"
                }
              ]
            }
          ],
          "package": {
            "name": "libmagickcore-6-arch-config",
            "purl": "pkg:deb/tuxcare/libmagickcore-6-arch-config?distro=ubuntu-16.04",
            "ecosystem": "TuxCare:Ubuntu:16.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1784192721.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "8:6.8.9.9-7ubuntu5.17+tuxcare.els54"
                }
              ]
            }
          ],
          "package": {
            "name": "libmagickcore-6-headers",
            "purl": "pkg:deb/tuxcare/libmagickcore-6-headers?distro=ubuntu-16.04",
            "ecosystem": "TuxCare:Ubuntu:16.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1784192721.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "8:6.8.9.9-7ubuntu5.17+tuxcare.els54"
                }
              ]
            }
          ],
          "package": {
            "name": "libmagickcore-6.q16-2",
            "purl": "pkg:deb/tuxcare/libmagickcore-6.q16-2?distro=ubuntu-16.04",
            "ecosystem": "TuxCare:Ubuntu:16.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1784192721.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "8:6.8.9.9-7ubuntu5.17+tuxcare.els54"
                }
              ]
            }
          ],
          "package": {
            "name": "libmagickcore-6.q16-2-extra",
            "purl": "pkg:deb/tuxcare/libmagickcore-6.q16-2-extra?distro=ubuntu-16.04",
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            "ecosystem": "TuxCare:Ubuntu:16.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1784192721.json"
          }
        },
        {
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                {
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                },
                {
                  "fixed": "8:6.8.9.9-7ubuntu5.17+tuxcare.els54"
                }
              ]
            }
          ],
          "package": {
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            "purl": "pkg:deb/tuxcare/perlmagick?distro=ubuntu-16.04",
            "ecosystem": "TuxCare:Ubuntu:16.04"
          },
          "database_specific": {
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        }
      ],
      "modified": "2026-10-26T09:31:47.109873798Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-56361",
        "CVE-2026-56368"
      ],
      "references": [
        "https://errata.tuxcare.com/els_os/ubuntu16.04els/CLSA-2026-1784192721.html",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-56361",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-56368"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-56361",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-56368",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 448470,
  "published_at": "2026-07-16T09:05:46+00:00"
}