CVE-2026-2923 is a high-severity Remote Code Execution (RCE) vulnerability affecting GStreamer, specifically within its DVB Subtitles handling, stemming from an out-of-bounds write (CWE-787). This flaw, with a CVSS score of 7.8, allows remote attackers to execute arbitrary code in the context of the current process due to insufficient validation of user-supplied coordinate data. Exploitation requires user interaction and interaction with the GStreamer library, but the attack complexity is low. While the vulnerability is on the "Hot List" and has garnered some community discussion, there is currently no evidence of active exploitation and no public exploit code available.
| 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.