ghsa-rxmq-m78w-7wmc
Vulnerability from github
Published
2025-07-30 13:23
Modified
2025-07-31 11:18
Severity ?
VLAI Severity ?
Summary
SixLabors ImageSharp Has Infinite Loop in GIF Decoder When Skipping Malformed Comment Extension Blocks
Details
Impact
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.
Patches
The problem has been patched. All users are advised to upgrade to v3.1.11 or v2.1.11.
Workarounds
None.
{ "affected": [ { "package": { "ecosystem": "NuGet", "name": "SixLabors.ImageSharp" }, "ranges": [ { "events": [ { "introduced": "0" }, { "fixed": "2.1.11" } ], "type": "ECOSYSTEM" } ] }, { "package": { "ecosystem": "NuGet", "name": "SixLabors.ImageSharp" }, "ranges": [ { "events": [ { "introduced": "3.0.0" }, { "fixed": "3.1.11" } ], "type": "ECOSYSTEM" } ] } ], "aliases": [ "CVE-2025-54575" ], "database_specific": { "cwe_ids": [ "CWE-400", "CWE-770" ], "github_reviewed": true, "github_reviewed_at": "2025-07-30T13:23:01Z", "nvd_published_at": "2025-07-30T20:15:37Z", "severity": "MODERATE" }, "details": "### Impact\nA 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.\n\n### Patches\nThe problem has been patched. All users are advised to upgrade to v3.1.11 or v2.1.11.\n\n### Workarounds\nNone.", "id": "GHSA-rxmq-m78w-7wmc", "modified": "2025-07-31T11:18:16Z", "published": "2025-07-30T13:23:01Z", "references": [ { "type": "WEB", "url": "https://github.com/SixLabors/ImageSharp/security/advisories/GHSA-rxmq-m78w-7wmc" }, { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-54575" }, { "type": "WEB", "url": "https://github.com/SixLabors/ImageSharp/issues/2953" }, { "type": "WEB", "url": "https://github.com/SixLabors/ImageSharp/commit/55e49262df9a057dff9b7807ed1b7bdb49187c3f" }, { "type": "WEB", "url": "https://github.com/SixLabors/ImageSharp/commit/833f3ceec35af6b775950e06f03b934546cefbf6" }, { "type": "PACKAGE", "url": "https://github.com/SixLabors/ImageSharp" } ], "schema_version": "1.4.0", "severity": [ { "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "type": "CVSS_V3" } ], "summary": "SixLabors ImageSharp Has Infinite Loop in GIF Decoder When Skipping Malformed Comment Extension Blocks" }
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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