Amazon Linux 2 (EOS) Security Advisory: ALAS2-2026-4096
Advisory Released Date: 2026-11-12
Advisory Updated Date: 2026-11-12
Severity:
Medium
Issue Overview:
A flaw was found in the GStreamer JPEG 2000 decimator in gst-plugins-bad. Crafted JPEG 2000 media can cause integer overflows or division by zero during tile processing. An application that processes the malicious media may crash, resulting in a denial of service. (CVE-2026-121259)
Affected Packages:
gstreamer1-plugins-bad-free
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 gstreamer1-plugins-bad-free or yum update --advisory ALAS2-2026-4096 to update your system.
New Packages:
aarch64:
gstreamer1-plugins-bad-free-1.18.4-5.amzn2.0.11.aarch64
gstreamer1-plugins-bad-free-devel-1.18.4-5.amzn2.0.11.aarch64
gstreamer1-plugins-bad-free-debuginfo-1.18.4-5.amzn2.0.11.aarch64
i686:
gstreamer1-plugins-bad-free-1.18.4-5.amzn2.0.11.i686
gstreamer1-plugins-bad-free-devel-1.18.4-5.amzn2.0.11.i686
gstreamer1-plugins-bad-free-debuginfo-1.18.4-5.amzn2.0.11.i686
src:
gstreamer1-plugins-bad-free-1.18.4-5.amzn2.0.11.src
x86_64:
gstreamer1-plugins-bad-free-1.18.4-5.amzn2.0.11.x86_64
gstreamer1-plugins-bad-free-devel-1.18.4-5.amzn2.0.11.x86_64
gstreamer1-plugins-bad-free-debuginfo-1.18.4-5.amzn2.0.11.x86_64