Amazon Linux 2 (EOS) Security Advisory: ALAS2-2026-4093
Advisory Released Date: 2026-11-12
Advisory Updated Date: 2026-11-12
Severity:
Medium
Issue Overview:
A flaw was found in GStreamer's gst-plugins-base MicroDVD subtitle parser. When processing a specially crafted subtitle file, the parser may dereference a NULL pointer, causing the application to crash when a user opens or plays media with a malformed MicroDVD (.sub) subtitle file. (CVE-2026-119842)
Affected Packages:
gstreamer1-plugins-base
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-base or yum update --advisory ALAS2-2026-4093 to update your system.
New Packages:
aarch64:
gstreamer1-plugins-base-1.18.4-5.amzn2.0.13.aarch64
gstreamer1-plugins-base-tools-1.18.4-5.amzn2.0.13.aarch64
gstreamer1-plugins-base-devel-1.18.4-5.amzn2.0.13.aarch64
gstreamer1-plugins-base-debuginfo-1.18.4-5.amzn2.0.13.aarch64
i686:
gstreamer1-plugins-base-1.18.4-5.amzn2.0.13.i686
gstreamer1-plugins-base-tools-1.18.4-5.amzn2.0.13.i686
gstreamer1-plugins-base-devel-1.18.4-5.amzn2.0.13.i686
gstreamer1-plugins-base-debuginfo-1.18.4-5.amzn2.0.13.i686
src:
gstreamer1-plugins-base-1.18.4-5.amzn2.0.13.src
x86_64:
gstreamer1-plugins-base-1.18.4-5.amzn2.0.13.x86_64
gstreamer1-plugins-base-tools-1.18.4-5.amzn2.0.13.x86_64
gstreamer1-plugins-base-devel-1.18.4-5.amzn2.0.13.x86_64
gstreamer1-plugins-base-debuginfo-1.18.4-5.amzn2.0.13.x86_64