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CVE-2025-27598: Out-of-bounds Write in SixLabors ImageSharp

March 6, 2025 (updated March 7, 2025)

An Out-of-bounds Write vulnerability has been found in the ImageSharp gif decoder, allowing attackers to cause a crash using a specially crafted gif. This can potentially lead to denial of service.

References

  • github.com/SixLabors/ImageSharp
  • github.com/SixLabors/ImageSharp/issues/2859
  • github.com/SixLabors/ImageSharp/pull/2890
  • github.com/SixLabors/ImageSharp/security/advisories/GHSA-2cmq-823j-5qj8
  • github.com/advisories/GHSA-2cmq-823j-5qj8
  • nvd.nist.gov/vuln/detail/CVE-2025-27598

Code Behaviors & Features

Detect and mitigate CVE-2025-27598 with GitLab Dependency Scanning

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Affected versions

All versions before 2.1.10, all versions starting from 3.0.0 before 3.1.7

Fixed versions

  • 3.1.7
  • 2.1.10

Solution

Upgrade to versions 2.1.10, 3.1.7 or above.

Impact 7.5 HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Learn more about CVSS

Weakness

  • CWE-787: Out-of-bounds Write

Source file

nuget/SixLabors.ImageSharp/CVE-2025-27598.yml

Spotted a mistake? Edit the file on GitLab.

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