CVE-2026-123273

{
  "id": "CVE-2026-123273",
  "sourceIdentifier": "[email protected]",
  "published": "2026-11-05T19:17:20.903",
  "lastModified": "2026-11-05T19:17:21.047",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "ImageMagick before 7.1.2-35 and 6.9.13-60 contains an infinite loop vulnerability in the SVG decoder because QueueAuthenticPixelCacheNexus in MagickCore/cache.c fails to validate requested region width and height. Attackers can supply a crafted SVG image that repeatedly requests a non-advancing pixel region, consuming CPU and hanging the decoding worker."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "ImageMagick",
          "product": "ImageMagick",
          "defaultStatus": "unaffected",
          "repo": "https://github.com/ImageMagick/ImageMagick",
          "packageURL": "pkg:github/imagemagick/imagemagick",
          "versions": [
            {
              "version": "7.0.0",
              "lessThan": "7.1.2-35",
              "versionType": "custom",
              "status": "affected"
            },
            {
              "version": "0",
              "lessThan": "6.9.13-60",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV40": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "4.0",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "baseScore": 7.1,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "vulnConfidentialityImpact": "NONE",
          "vulnIntegrityImpact": "NONE",
          "vulnAvailabilityImpact": "HIGH",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "subAvailabilityImpact": "NONE",
          "exploitMaturity": "NOT_DEFINED",
          "confidentialityRequirement": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "valueDensity": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "providerUrgency": "NOT_DEFINED"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-835"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/ImageMagick/ImageMagick/blob/3a9639c0bd21f61f22fcce4c5f6838f1f0d8f738/MagickCore/cache.c#L4348",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/ImageMagick/ImageMagick/commit/c5f2c6c9fb1458f960a506691c9351e9da6d2247",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/ImageMagick/ImageMagick/releases/tag/7.1.2-35",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-q66g-3m63-78mh",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/ImageMagick/ImageMagick6/commit/712e523e7f746d35c963b78555e1c24364a9426e",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/ImageMagick/ImageMagick6/releases/tag/6.9.13-60",
      "source": "[email protected]"
    },
    {
      "url": "https://www.vulncheck.com/advisories/imagemagick-before-7.1.2-35-and-6.9.13-60-infinite-loop-via-svg-decoder",
      "source": "[email protected]"
    }
  ]
}