Medium severity4.4NVD Advisory· Published Jun 23, 2026· Updated Jul 6, 2026
CVE-2026-12892
CVE-2026-12892
Description
A flaw was found in GStreamer's gst-plugins-bad package. When processing a specially crafted H.264 video file containing malformed MVC or SVC extension slice NAL units, a 1-byte heap out-of-bounds read can occur during parsing. This happens when the parser attempts to check slice boundary information without first verifying that the NAL unit contains enough data beyond the extension header. An attacker could exploit this by tricking a user into opening a malicious H.264 video file, potentially causing the application to crash or leak a single byte of heap memory.
Affected products
14cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*+ 4 more
- cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:*
- osv-coords7 versionspkg:apk/wolfi/gstreamerpkg:apk/wolfi/gstreamer-devpkg:apk/wolfi/gstreamer-docpkg:apk/chainguard/gstreamerpkg:apk/chainguard/gstreamer-devpkg:apk/chainguard/gstreamer-docpkg:rpm/opensuse/gstreamer-plugins-bad&distro=openSUSE%20Leap%2016.0
< 0+ 6 more
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 1.26.7-160000.3.1
Patches
Vulnerability mechanics
References
2- access.redhat.com/security/cve/CVE-2026-12892nvdVendor Advisory
- bugzilla.redhat.com/show_bug.cginvdVendor AdvisoryIssue Tracking
News mentions
0No linked articles in our index yet.