SixLabors ImageSharp up to 2.1.9/3.1.6 GIF Decoder out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in SixLabors ImageSharp up to 2.1.9/3.1.6. This issue affects some unknown processing of the component GIF Decoder. This manipulation causes out-of-bounds write. This vulnerability is registered as CVE-2025-27598. Remote exploitation of the attack is possible. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in SixLabors ImageSharp up to 2.1.9/3.1.6 and classified as critical. Affected by this vulnerability is some unknown processing of the component GIF Decoder. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect availability. The summary by CVE is:

ImageSharp is a 2D graphics API. 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. The problem has been patched. All users are advised to upgrade to v3.1.7 or v2.1.10.

The advisory is shared at github.com. This vulnerability is known as CVE-2025-27598 since 03/03/2025. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

Upgrading to version 2.1.10 or 3.1.7 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.7

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector (GitHub_M): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: ImageSharp 2.1.10/3.1.7
Patch: github.com

Timelineinfo

03/03/2025 🔍
03/07/2025 +4 days 🔍
03/07/2025 +0 days 🔍
03/25/2025 +18 days 🔍

Sourcesinfo

Product: github.com

Advisory: 2859
Status: Confirmed

CVE: CVE-2025-27598 (🔍)
GCVE (CVE): GCVE-0-2025-27598
GCVE (VulDB): GCVE-100-298885

Entryinfo

Created: 03/07/2025 06:54
Updated: 03/25/2025 06:20
Changes: 03/07/2025 06:54 (66), 03/25/2025 06:20 (12)
Complete: 🔍
Cache ID: 216::103

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