CVE-2026-3086 is an Out-Of-Bounds Write vulnerability in the GStreamer H.266 Codec Parser, allowing remote attackers to execute arbitrary code on affected installations. Rated High with a CVSS score of 7.8, this flaw (CWE-787) requires user interaction and local processing of a crafted H.266 stream, leading to full compromise of confidentiality, integrity, and availability. While not yet in CISA's KEV catalog and lacking public exploit code, it is on an active "Hot List" and has garnered some community discussion, indicating potential for future exploitation.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.28.1CPE matchmatch criteria | cpe:2.3:a:gstreamer:gstreamer:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.