Fix CVE(s): CVE-2024-33871, CVE-2024-46951, CVE-2024-46953, CVE-2024-46956

{
  "id": "2ebaacb7b2c10eb524d218703cd75fc48eade784db5351b7ab87291201f263da",
  "url": "https://osv.dev/vulnerability/CLSA-2026-1787916987",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Fix CVE(s): CVE-2024-33871, CVE-2024-46951, CVE-2024-46953, CVE-2024-46956",
    "summary": "* SECURITY UPDATE: arbitrary code execution via the opvp Driver parameter - debian/patches/CVE-2024-33871.patch: refuse a Driver change once LockSafetyParams is set, and report the Driver length without the trailing NUL, in contrib/opvp/gdevopvp.c. - CVE-2024-33871 * SECURITY UPDATE: unchecked Implementation pointer in Pattern colour space - debian/patches/CVE-2024-46951.patch: check that the Pattern Implementation object really is a pattern instance before dereferencing it in patterncomponent() in psi/zcolor.c. - CVE-2024-46951 * SECURITY UPDATE: integer overflow validating the output filename format - debian/patches/CVE-2024-46953.patch: reject format widths that overflow an int and tighten the length check in gx_parse_output_format() and gx_parse_output_file_name() in base/gsdevice.c. - CVE-2024-46953 * SECURITY UPDATE: out-of-bounds data access in filenameforall - debian/patches/CVE-2024-46956.patch: correct the buffer length check in file_continue() in psi/zfile.c, so filenameforall cannot return a string whose declared size exceeds the scratch buffer. - CVE-2024-46956",
    "evidence": "osv:CLSA-2026-1787916987",
    "products": [
      {
        "name": {
          "value": "ghostscript",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "9.26~dfsg+0-0ubuntu0.18.04.18+tuxcare.els1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "ghostscript-doc",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "9.26~dfsg+0-0ubuntu0.18.04.18+tuxcare.els1",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "ghostscript-x",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "9.26~dfsg+0-0ubuntu0.18.04.18+tuxcare.els1",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libgs-dev",
          "evidence": "/affected/3/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "9.26~dfsg+0-0ubuntu0.18.04.18+tuxcare.els1",
            "evidence": "/affected/3/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libgs9",
          "evidence": "/affected/4/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "9.26~dfsg+0-0ubuntu0.18.04.18+tuxcare.els1",
            "evidence": "/affected/4/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libgs9-common",
          "evidence": "/affected/5/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "9.26~dfsg+0-0ubuntu0.18.04.18+tuxcare.els1",
            "evidence": "/affected/5/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CLSA-2026-1787916987",
      "aliases": [
        "CLSA-2026-1787916987"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "9.26~dfsg+0-0ubuntu0.18.04.18+tuxcare.els1"
                }
              ]
            }
          ],
          "package": {
            "name": "ghostscript",
            "purl": "pkg:deb/tuxcare/ghostscript?distro=ubuntu-18.04",
            "ecosystem": "TuxCare:Ubuntu:18.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1787916987.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "9.26~dfsg+0-0ubuntu0.18.04.18+tuxcare.els1"
                }
              ]
            }
          ],
          "package": {
            "name": "ghostscript-doc",
            "purl": "pkg:deb/tuxcare/ghostscript-doc?distro=ubuntu-18.04",
            "ecosystem": "TuxCare:Ubuntu:18.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1787916987.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "9.26~dfsg+0-0ubuntu0.18.04.18+tuxcare.els1"
                }
              ]
            }
          ],
          "package": {
            "name": "ghostscript-x",
            "purl": "pkg:deb/tuxcare/ghostscript-x?distro=ubuntu-18.04",
            "ecosystem": "TuxCare:Ubuntu:18.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1787916987.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "9.26~dfsg+0-0ubuntu0.18.04.18+tuxcare.els1"
                }
              ]
            }
          ],
          "package": {
            "name": "libgs-dev",
            "purl": "pkg:deb/tuxcare/libgs-dev?distro=ubuntu-18.04",
            "ecosystem": "TuxCare:Ubuntu:18.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1787916987.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "9.26~dfsg+0-0ubuntu0.18.04.18+tuxcare.els1"
                }
              ]
            }
          ],
          "package": {
            "name": "libgs9",
            "purl": "pkg:deb/tuxcare/libgs9?distro=ubuntu-18.04",
            "ecosystem": "TuxCare:Ubuntu:18.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1787916987.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "9.26~dfsg+0-0ubuntu0.18.04.18+tuxcare.els1"
                }
              ]
            }
          ],
          "package": {
            "name": "libgs9-common",
            "purl": "pkg:deb/tuxcare/libgs9-common?distro=ubuntu-18.04",
            "ecosystem": "TuxCare:Ubuntu:18.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1787916987.json"
          }
        }
      ],
      "modified": "2026-10-26T09:32:03.753659067Z",
      "provider": "osv",
      "upstream": [
        "CVE-2024-33871",
        "CVE-2024-46951",
        "CVE-2024-46953",
        "CVE-2024-46956"
      ],
      "references": [
        "https://errata.tuxcare.com/els_os/ubuntu18.04els/CLSA-2026-1787916987.html",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-33871",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-46951",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-46953",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-46956"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2024-33871",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2024-46951",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2024-46953",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2024-46956",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 449548,
  "published_at": "2026-08-28T11:36:40+00:00"
}