Uncontrolled Memory Allocation in ImageSharp - #VU150202
Published: September 16, 2026
Vulnerability identifier: #VU150202
CSH Severity: Medium
CVSS v4: 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]
CVE-ID: N/A
CWE-ID: CWE-789
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to excessive memory allocation in the ReadClutF32 ICC CLUT parser when processing a malformed embedded ICC profile. A remote attacker can supply an image containing a malformed ICC profile to cause a denial of service.
In version 4, the affected conversion path is reached only when ICC color-profile conversion is enabled.
Affected software
ImageSharp
Remediation
Install security update from vendor's website.
ImageSharp - update to 4.1.2