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imagemagick — security advisory

Type: advisorySources: OSVAdvisory ID: UBUNTU-CVE-2026-61858

ImageMagick before 7.1.2-26 contains a policy bypass vulnerability in the APNG encoder and external delegates due to missing validation checks. Attackers can write files to disallowed paths by bypassing configured policy restrictions through the APNG encoding process.

Products
imagemagick
Affected versions
8:6.9.11.60+dfsg-1.3, 8:6.9.11.60+dfsg-1.3build1, 8:6.9.11.60+dfsg-1.3build2, 8:6.9.11.60+dfsg-1.3ubuntu0.22.04.1, 8:6.9.11.60+dfsg-1.3ubuntu0.22.04.1+esm1, 8:6.9.11.60+dfsg-1.3ubuntu0.22.04.2, 8:6.9.11.60+dfsg-1.3ubuntu0.22.04.2+esm1, 8:6.9.11.60+dfsg-1.3ubuntu0.22.04.3, 8:6.9.11.60+dfsg-1.3ubuntu0.22.04.3+esm1, 8:6.9.11.60+dfsg-1.3ubuntu0.22.04.3+esm2, 8:6.9.11.60+dfsg-1.3ubuntu0.22.04.3+esm3, 8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5, 8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm1, 8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm10, 8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm11, 8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm12, 8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm13, 8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm14, 8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm15, 8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm16, 8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm2, 8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm3, 8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm4, 8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm5, 8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm6, 8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm7, 8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm8, 8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm9, 8:6.9.11.60+dfsg-1.6ubuntu1, 8:6.9.11.60+dfsg-1ubuntu1, 8:6.9.12.98+dfsg1-5, 8:6.9.12.98+dfsg1-5.2build1, 8:6.9.12.98+dfsg1-5.2build2, 8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm1, 8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm10, 8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm11, 8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm12, 8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm13, 8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm14, 8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm15, 8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm2, 8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm3, 8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm4, 8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm5, 8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm6, 8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm7, 8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm8, 8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm9, 8:7.1.2.12+dfsg1-1, 8:7.1.2.13+dfsg1-1, 8:7.1.2.15+dfsg1-1, 8:7.1.2.16+dfsg1-1, 8:7.1.2.18+dfsg1-1, 8:7.1.2.18+dfsg1-1ubuntu0.1~esm1, 8:7.1.2.18+dfsg1-1ubuntu0.1~esm2, 8:7.1.2.18+dfsg1-1ubuntu0.1~esm3, 8:7.1.2.18+dfsg1-1ubuntu0.1~esm4, 8:7.1.2.25+dfsg1-2, 8:7.1.2.27+dfsg1-1, 8:7.1.2.3+dfsg1-1, 8:7.1.2.31+dfsg1-1, 8:7.1.2.8+dfsg1-1
Fixed versions
Not specified
CVEs
CVE-2026-61858
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 01:39 UTC · Revision 1

Source evidence

UBUNTU-CVE-2026-61858

core-osv · Original source

Published 11 Jul 2026, 14:16 UTC

ImageMagick before 7.1.2-26 contains a policy bypass vulnerability in the APNG encoder and external delegates due to missing validation checks. Attackers can write files to disallowed paths by bypassing configured policy restrictions through the APNG encoding process.

osv:UBUNTU-CVE-2026-61858

imagemagick

Fixed versions: Not specified

imagemagick

Fixed versions: Not specified

imagemagick

Fixed versions: Not specified

imagemagick

Fixed versions: Not specified

Complete source record
{
  "id": "aa9b5baa683015f900937166c246d91b8570042fc0b4d96f2072468a073d811a",
  "url": "https://osv.dev/vulnerability/UBUNTU-CVE-2026-61858",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "UBUNTU-CVE-2026-61858",
    "summary": "ImageMagick before 7.1.2-26 contains a policy bypass vulnerability in the APNG encoder and external delegates due to missing validation checks. Attackers can write files to disallowed paths by bypassing configured policy restrictions through the APNG encoding process.",
    "evidence": "osv:UBUNTU-CVE-2026-61858",
    "products": [
      {
        "name": {
          "value": "imagemagick",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "8:6.9.11.60+dfsg-1ubuntu1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "8:6.9.11.60+dfsg-1.3",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "8:6.9.11.60+dfsg-1.3build1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "8:6.9.11.60+dfsg-1.3build2",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.1+esm1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.2",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.2+esm1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.3",
            "evidence": "/affected/0/versions"
          },
          {
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            "evidence": "/affected/0/versions"
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            "value": "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm5",
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          {
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            "value": "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm8",
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          },
          {
            "value": "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm9",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm10",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm11",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm12",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm13",
            "evidence": "/affected/0/versions"
          },
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            "value": "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm14",
            "evidence": "/affected/0/versions"
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            "value": "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm15",
            "evidence": "/affected/0/versions"
          },
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            "evidence": "/affected/0/versions"
          }
        ]
      },
      {
        "name": {
          "value": "imagemagick",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "8:6.9.11.60+dfsg-1.6ubuntu1",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "8:6.9.12.98+dfsg1-5",
            "evidence": "/affected/1/versions"
          },
          {
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            "evidence": "/affected/1/versions"
          },
          {
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            "evidence": "/affected/1/versions"
          },
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            "value": "8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm1",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm2",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm3",
            "evidence": "/affected/1/versions"
          },
          {
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            "evidence": "/affected/1/versions"
          },
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            "evidence": "/affected/1/versions"
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            "value": "8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm10",
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            "evidence": "/affected/1/versions"
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            "evidence": "/affected/1/versions"
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            "evidence": "/affected/1/versions"
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            "evidence": "/affected/1/versions"
          }
        ]
      },
      {
        "name": {
          "value": "imagemagick",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "8:7.1.2.18+dfsg1-1",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "8:7.1.2.25+dfsg1-2",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "8:7.1.2.27+dfsg1-1",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "8:7.1.2.31+dfsg1-1",
            "evidence": "/affected/2/versions"
          }
        ]
      },
      {
        "name": {
          "value": "imagemagick",
          "evidence": "/affected/3/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "8:7.1.2.3+dfsg1-1",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "8:7.1.2.8+dfsg1-1",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "8:7.1.2.12+dfsg1-1",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "8:7.1.2.13+dfsg1-1",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "8:7.1.2.15+dfsg1-1",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "8:7.1.2.16+dfsg1-1",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "8:7.1.2.18+dfsg1-1",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "8:7.1.2.18+dfsg1-1ubuntu0.1~esm1",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "8:7.1.2.18+dfsg1-1ubuntu0.1~esm2",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "8:7.1.2.18+dfsg1-1ubuntu0.1~esm3",
            "evidence": "/affected/3/versions"
          },
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            "value": "8:7.1.2.18+dfsg1-1ubuntu0.1~esm4",
            "evidence": "/affected/3/versions"
          }
        ]
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "UBUNTU-CVE-2026-61858",
      "aliases": [
        "UBUNTU-CVE-2026-61858"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N"
        },
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"
        },
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N"
        },
        {
          "type": "Ubuntu",
          "score": "medium"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "imagemagick",
            "purl": "pkg:deb/ubuntu/imagemagick?arch=source&distro=esm-apps%2Fjammy",
            "ecosystem": "Ubuntu:Pro:22.04:LTS"
          },
          "versions": [
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            "8:6.9.11.60+dfsg-1.3",
            "8:6.9.11.60+dfsg-1.3build1",
            "8:6.9.11.60+dfsg-1.3build2",
            "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.1",
            "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.1+esm1",
            "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.2",
            "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.2+esm1",
            "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.3",
            "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.3+esm1",
            "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.3+esm2",
            "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.3+esm3",
            "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5",
            "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm1",
            "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm2",
            "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm3",
            "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm4",
            "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm5",
            "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm6",
            "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm7",
            "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm8",
            "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm9",
            "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm10",
            "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm11",
            "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm12",
            "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm13",
            "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm14",
            "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm15",
            "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm16"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-61858.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "imagemagick",
                "binary_version": "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm16"
              },
              {
                "binary_name": "imagemagick-6-common",
                "binary_version": "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm16"
              },
              {
                "binary_name": "imagemagick-6.q16",
                "binary_version": "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm16"
              },
              {
                "binary_name": "imagemagick-6.q16hdri",
                "binary_version": "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm16"
              },
              {
                "binary_name": "imagemagick-common",
                "binary_version": "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm16"
              },
              {
                "binary_name": "libimage-magick-perl",
                "binary_version": "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm16"
              },
              {
                "binary_name": "libimage-magick-q16-perl",
                "binary_version": "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm16"
              },
              {
                "binary_name": "libimage-magick-q16hdri-perl",
                "binary_version": "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm16"
              },
              {
                "binary_name": "libmagick++-6-headers",
                "binary_version": "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm16"
              },
              {
                "binary_name": "libmagick++-6.q16-8",
                "binary_version": "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm16"
              },
              {
                "binary_name": "libmagick++-6.q16hdri-8",
                "binary_version": "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm16"
              },
              {
                "binary_name": "libmagickcore-6-arch-config",
                "binary_version": "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm16"
              },
              {
                "binary_name": "libmagickcore-6-headers",
                "binary_version": "8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm16"
              },
              {
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      "modified": "2026-10-17T12:57:17.032058125Z",
      "provider": "osv",
      "upstream": [
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      "references": [
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        "https://www.cve.org/CVERecord?id=CVE-2026-61858",
        "https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-v3j6-27vc-7pw2",
        "https://www.vulncheck.com/advisories/imagemagick-before-26-policy-bypass-via-apng-encoder"
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        "evidence": "/upstream"
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    "security_relevant": true,
    "severity_evidence": "/severity/1/score"
  },
  "source_id": "core-osv",
  "document_id": 357095,
  "published_at": "2026-07-11T14:16:00+00:00"
}