Amazon Linux 2 Security Advisory: ALAS2-2026-3192
Advisory Released Date: 2026-03-19
Advisory Updated Date: 2026-03-19
Severity:
Medium
Issue Overview:
A heap buffer overflow vulnerability has been identified in thesmooth2() in cmsgamma.c in lcms2-2.16 which allows a remote attacker to cause a denial of service. NOTE: the Supplier disputes this because "this is not exploitable as this function is never called on normal color management, is there only as a helper for low-level programming and investigation." (CVE-2025-29070)
Affected Packages:
lcms2
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update lcms2 or yum update --advisory ALAS2-2026-3192 to update your system.
New Packages:
aarch64:
lcms2-2.6-3.amzn2.0.3.aarch64
lcms2-utils-2.6-3.amzn2.0.3.aarch64
lcms2-devel-2.6-3.amzn2.0.3.aarch64
lcms2-debuginfo-2.6-3.amzn2.0.3.aarch64
i686:
lcms2-2.6-3.amzn2.0.3.i686
lcms2-utils-2.6-3.amzn2.0.3.i686
lcms2-devel-2.6-3.amzn2.0.3.i686
lcms2-debuginfo-2.6-3.amzn2.0.3.i686
src:
lcms2-2.6-3.amzn2.0.3.src
x86_64:
lcms2-2.6-3.amzn2.0.3.x86_64
lcms2-utils-2.6-3.amzn2.0.3.x86_64
lcms2-devel-2.6-3.amzn2.0.3.x86_64
lcms2-debuginfo-2.6-3.amzn2.0.3.x86_64