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Vulnerabilities

Vulnerability · CVE-2026-102635

ImageMagick versions before 7.1.2-32 and 6.9.13-57 contain uninitialized heap memory disclosure in the GIF decoder's application extension handler in coders/gif.c.

Published Sep 29, 2026 · catalog updated Oct 15, 2026 · JVN

Check if you run it

No confirmed exploitation is on record for CVE-2026-102635. EPSS is 0.32%. Act only if a listed version of JVN is installed.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium6.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.32%
Remediation
Advisory link
Affected products
cpe imagemagick/imagemagick

ImageMagick versions before 7.1.2-32 and 6.9.13-57 contain uninitialized heap memory disclosure in the GIF decoder's application extension handler in coders/gif.c. Attackers can craft malicious GIF files that cause the number parser to read uninitialized heap memory and store contents as image metadata, disclosing sensitive heap information.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe imagemagick/imagemagickversion unspecified

How to fix CVE-2026-102635

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-102635. EPSS is 0.32%. Act only if a listed version of JVN is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-908: Use of Uninitialized Resource. EPSS 0.32%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 29, 2026 · NIST NVD

    Detected

    ImageMagick versions before 7.1.2-32 and 6.9.13-57 contain uninitialized heap memory disclosure in the GIF decoder's application extension handler in coders/gif.c. Attackers can craft malicious GIF files that cause the number parser to read uninitialized heap memory and store contents as image metadata, disclosing sensitive heap information.

  2. Oct 15, 2026 · NIST NVD

    Updated

    ImageMagick versions before 7.1.2-32 and 6.9.13-57 contain uninitialized heap memory disclosure in the GIF decoder's application extension handler in coders/gif.c. Attackers can craft malicious GIF files that cause the number parser to read uninitialized heap memory and store contents as image metadata, disclosing sensitive heap information.

Sources

  • CVE.orgVulnerability recordCVE-2026-102635

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-102635

    30-day exploitation probability 0.3%

    first.org
  • JVN iPediaGovernment advisoryCVE-2026-102635

    ImageMagickのバージョン7.1.2-32以前および6.9.13-57以前には、coders/gif.c内のGIFデコーダのアプリケーション拡張ハンドラに未初期化ヒープメモリの情報漏洩の脆弱性があります。攻撃者は悪意のあるGIFファイルを作成し、数値パーサが未初期化のヒープメモリを読み取り、その内容を画像メタデータとして保存させることで、機密性の高いヒープ情報を漏洩させることが可能です。

    jvndb.jvn.jp
  • NIST NVDVulnerability recordCVE-2026-102635

    ImageMagick versions before 7.1.2-32 and 6.9.13-57 contain uninitialized heap memory disclosure in the GIF decoder's application extension handler in coders/gif.c. Attackers can craft malicious GIF files that cause the number parser to read uninitialized heap memory and store con

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.