Out-of-bounds Write in SixLabors ImageSharp
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
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| .NET (NuGet) | SixLabors.ImageSharp | >= 3.0.0, < 3.1.7, < 2.1.10 | 3.1.7, 2.1.10 |
References
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H- Weakness (CWE)
CWE-787- Platform
- .NET (NuGet)
- Package
SixLabors.ImageSharp- Disclosed
- 06.03.2025
- Updated
- 11.10.2026 11:23
Sources and licenses
OSV / GitHub Advisory Database - GHSA-2cmq-823j-5qj8 - CC BY 4.0
Vulnerability history: SixLabors.ImageSharp
All published vulnerabilities of this package (.NET (NuGet)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 14
- First → latest
- 03.2024 10.2026
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- High 7
- Medium 7
Disclosures per year
- 2024: 5
- 2025: 2
- 2026: 7
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Out-of-bounds Write in SixLabors ImageSharp this entry
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