CVE-2026-3084 is a High severity (CVSS 7.8) Remote Code Execution vulnerability affecting the GStreamer H.266 Codec Parser. The flaw stems from an integer underflow during picture partition parsing, allowing remote attackers to execute arbitrary code on affected installations, though user interaction is required. This could lead to a full compromise of confidentiality, integrity, and availability. Currently, there are no known public exploits or active exploitation in CISA's KEV, but the vulnerability is on the Hot List and has garnered some community discussion.
| 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.