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CVE-2025-54575

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Date: July 30, 2025

ImageSharp is a 2D graphics library. In versions below 2.1.11 and 3.0.0 through 3.1.10, a specially crafted GIF file containing a malformed comment extension block (with a missing block terminator) can cause the ImageSharp GIF decoder to enter an infinite loop while attempting to skip the block. This leads to a denial of service. Applications processing untrusted GIF input should upgrade to a patched version. This issue is fixed in versions 2.1.11 and 3.1.11.

Severity Score

Related Resources (7)

https://github.com/SixLabors/ImageSharp/issues/2953
https://github.com/SixLabors/ImageSharp/security/advisories/GHSA-rxmq-m78w-7wmc
https://github.com/SixLabors/ImageSharp
https://nvd.nist.gov/vuln/detail/CVE-2025-54575
https://github.com/SixLabors/ImageSharp/commit/55e49262df9a057dff9b7807ed1b7bdb49187c3f
https://github.com/SixLabors/ImageSharp/commit/833f3ceec35af6b775950e06f03b934546cefbf6
https://www.mend.io/vulnerability-database/CVE-2025-54575

Severity Score

Weakness Type (CWE)

Uncontrolled Resource Consumption

CWE-400

Allocation of Resources Without Limits or Throttling

CWE-770

Top Fix

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Upgrade Version

Upgrade to version sixlabors.imagesharp - 2.1.11;sixlabors.imagesharp - 3.1.11

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): LOW

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