SB2025073056 - Input validation error in ImageSharp
Published: July 30, 2025 Updated: August 21, 2026
Security Bulletin ID
SB2025073056
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Input validation error (CVE-ID: CVE-2025-54575)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in the GIF decoder when skipping malformed comment extension blocks. A remote attacker can supply a specially crafted GIF image to cause a denial of service.
Remediation
Install update from vendor's website.