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CVE-2025-27598 — Out-of-bounds Write in SixLabors.ImageSharp — CVE...

HIGH

Out-of-bounds Write in SixLabors ImageSharp

Published March 6, 2025Updated March 7, 2025Source: osv

Summary

### Impact 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. ### Patches The problem has been patched. All users are advised to upgrade to v3.1.7 or v2.1.10. ### Workarounds None. ### References https://github.com/SixLabors/ImageSharp/issues/2859 https://github.com/SixLabors/ImageSharp/issues/2890

Advisory Timeline

  • First published March 6, 2025 (584 days ago).
  • Last revised March 7, 2025 — 1 day after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

NuGet
Update SixLabors.ImageSharp to 2.1.10 or later
dotnet add package SixLabors.ImageSharp --version 2.1.10
NuGet
Update SixLabors.ImageSharp to 3.1.7 or later
dotnet add package SixLabors.ImageSharp --version 3.1.7

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (2)

Affects 1 ecosystem: nuget (1).

PackageEcosystemAffectedFixed In
SixLabors.ImageSharp
nuget
1.0.0, 1.0.0-beta0001, 1.0.0-beta0002, 1.0.0-beta0003 (+22 more)2.1.10
SixLabors.ImageSharp
nuget
3.0.0, 3.0.1, 3.0.2, 3.1.0 (+6 more)3.1.7

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

  • CWE-787
    Out-of-bounds WriteMITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 7.5 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

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

References

Frequently Asked Questions

What is CVE-2025-27598?
Out-of-bounds Write in SixLabors ImageSharp This vulnerability has been assigned a severity rating of HIGH (CVSS score: 7.5/10).
How do I check if my project is affected by CVE-2025-27598?
CVE-2025-27598 affects SixLabors.ImageSharp. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2025-27598 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
7.5

High exploitability or significant impact. Prioritize remediation within days.

Also Known As

GHSA-2cmq-823j-5qj8

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