ImageMagick has an Out-of-Bounds write of a zero byte in its X11 display interaction

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to 7.1.2-18 and 6.9.13-43, an out-of-bounds write of a zero byte exists in the X11 `display` interaction path that could lead to a crash. Versions 7.1.2-18 and 6.9.13-43 patch the issue.

Problem type

CWE-787: Out-of-bounds Write

Affected products

ImageMagick

ImageMagick

< 7.1.2-18 - AFFECTED

< 6.9.13-43 - AFFECTED

References

https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-mw3m-pqr2-qv7c

https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-mw3m-pqr2-qv7c

x_refsource_CONFIRM

GitHub Security Advisories

GHSA-mw3m-pqr2-qv7c

ImageMagick has an Out-of-Bounds write of a zero byte in its X11 display interaction

https://github.com/advisories/GHSA-mw3m-pqr2-qv7c

An out-of-bounds write of a zero byte exists in the X11 display interaction path that could lead to a crash.

github.com

https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-mw3m-pqr2-qv7c

github.com

https://github.com/advisories/GHSA-mw3m-pqr2-qv7c

JSON source

https://cveawg.mitre.org/api/cve/CVE-2026-33535

Click to expand

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  "dataVersion": "5.2",
  "cveMetadata": {
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    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "dateUpdated": "2026-03-26T19:52:30.452Z",
    "dateReserved": "2026-03-20T18:05:11.831Z",
    "datePublished": "2026-03-26T19:52:30.452Z",
    "state": "PUBLISHED"
  },
  "containers": {
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        "shortName": "GitHub_M",
        "dateUpdated": "2026-03-26T19:52:30.452Z"
      },
      "title": "ImageMagick has an Out-of-Bounds write of a zero byte in its X11 display interaction",
      "descriptions": [
        {
          "lang": "en",
          "value": "ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to 7.1.2-18 and 6.9.13-43, an out-of-bounds write of a zero byte exists in the X11 `display` interaction path that could lead to a crash. Versions 7.1.2-18 and 6.9.13-43 patch the issue."
        }
      ],
      "affected": [
        {
          "vendor": "ImageMagick",
          "product": "ImageMagick",
          "versions": [
            {
              "version": "< 7.1.2-18",
              "status": "affected"
            },
            {
              "version": "< 6.9.13-43",
              "status": "affected"
            }
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      "problemTypes": [
        {
          "descriptions": [
            {
              "lang": "en",
              "description": "CWE-787: Out-of-bounds Write",
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        {
          "cvssV3_1": {
            "version": "3.1",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
            "attackVector": "LOCAL",
            "attackComplexity": "LOW",
            "privilegesRequired": "NONE",
            "userInteraction": "NONE",
            "scope": "UNCHANGED",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "availabilityImpact": "LOW",
            "baseScore": 4,
            "baseSeverity": "MEDIUM"
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}