Amazon Linux 2 (EOS) Security Advisory: ALAS2-2026-3922
Advisory Released Date: 2026-09-14
Advisory Updated Date: 2026-09-14
GStreamer OGG File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the parsing of OGG files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-29584. (CVE-2026-18297)
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 ALAS2-2026-3922 to update your system.
aarch64:
gstreamer1-plugins-base-1.18.4-5.amzn2.0.11.aarch64
gstreamer1-plugins-base-tools-1.18.4-5.amzn2.0.11.aarch64
gstreamer1-plugins-base-devel-1.18.4-5.amzn2.0.11.aarch64
gstreamer1-plugins-base-debuginfo-1.18.4-5.amzn2.0.11.aarch64
i686:
gstreamer1-plugins-base-1.18.4-5.amzn2.0.11.i686
gstreamer1-plugins-base-tools-1.18.4-5.amzn2.0.11.i686
gstreamer1-plugins-base-devel-1.18.4-5.amzn2.0.11.i686
gstreamer1-plugins-base-debuginfo-1.18.4-5.amzn2.0.11.i686
src:
gstreamer1-plugins-base-1.18.4-5.amzn2.0.11.src
x86_64:
gstreamer1-plugins-base-1.18.4-5.amzn2.0.11.x86_64
gstreamer1-plugins-base-tools-1.18.4-5.amzn2.0.11.x86_64
gstreamer1-plugins-base-devel-1.18.4-5.amzn2.0.11.x86_64
gstreamer1-plugins-base-debuginfo-1.18.4-5.amzn2.0.11.x86_64