CVE-2026-12891
published 2026-06-23CVE-2026-12891: A flaw was found in the GStreamer gst-plugins-bad package. When processing a malformed H.266/VVC video stream with a crafted aspect ratio indicator value, the…
PriorityP422medium4.3CVSS 3.1
AVNACLPRNUIRSUCLINAN
EPSS
0.28%
19.4th percentile
A flaw was found in the GStreamer gst-plugins-bad package. When processing a malformed H.266/VVC video stream with a crafted aspect ratio indicator value, the H.266 parser performs an out-of-bounds read of up to 8 bytes from adjacent memory. This flaw allows an attacker to craft a malicious H.266 video file or stream that, when processed by a GStreamer-based application, could leak limited memory contents through video metadata, potentially exposing sensitive information from the application's address space.
Affected
3 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| redhat | enterprise_linux | — | — |
| redhat | enterprise_linux | — | — |
| redhat | enterprise_linux | — | — |
CVSS provenance
nvdv3.14.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
vendor_redhat4.3MEDIUM
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GHSA
A flaw was found in the GStreamer gst-plugins-bad package.
ghsa_unreviewed·2026-06-23
CVE-2026-12891 [MEDIUM] CWE-125 A flaw was found in the GStreamer gst-plugins-bad package.
A flaw was found in the GStreamer gst-plugins-bad package. When processing a malformed H.266/VVC video stream with a crafted aspect ratio indicator value, the H.266 parser performs an out-of-bounds read of up to 8 bytes from adjacent memory. This flaw allows an attacker to craft a malicious H.266 video file or stream that, when processed by a GStreamer-based application, could leak limited memory contents through video metadata, potentially exposing sensitive information from the application's address space.
Red Hat
gstreamer1-plugins-bad: gstreamer1-plugins-bad: global buffer overflow (OOB read) in H.266/VVC VUI parameter parser
vendor_redhat·2026-06-23·CVSS 4.3
CVE-2026-12891 [MEDIUM] CWE-125 gstreamer1-plugins-bad: gstreamer1-plugins-bad: global buffer overflow (OOB read) in H.266/VVC VUI parameter parser
gstreamer1-plugins-bad: gstreamer1-plugins-bad: global buffer overflow (OOB read) in H.266/VVC VUI parameter parser
A flaw was found in the GStreamer gst-plugins-bad package. When processing a malformed H.266/VVC video stream with a crafted aspect ratio indicator value, the H.266 parser performs an out-of-bounds read of up to 8 bytes from adjacent memory. This flaw allows an attacker to craft a malicious H.266 video file or stream that, when processed by a GStreamer-based application, could leak limited memory contents through video metadata, potentially exposing sensitive information from the application's address space.
Statement: Red Hat Enterprise Linux versions that ship gstreamer1-plugins-bad with H.266/VVC parser support are affected by this vulnerability. The impact is rated Mode
No detection rules found.
No public exploits indexed.
2026-06-23
Published