Is there a public exploit for CVE-2026-119843?

No public exploit for CVE-2026-119843 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-119843?

CVE-2026-119843 scores CVSS 6.5 (v3.1), rated medium.

What does CVE-2026-119843 affect?

CVE-2026-119843 affects GStreamer project gst-plugins-good.

6.5 Medium

A flaw was found in GStreamer's gst-plugins-good package.

CVE-2026-119843

A flaw was found in GStreamer's gst-plugins-good package. The FLV media demuxer does not properly validate buffer sizes and data availability when processing enhanced audio and video tags in malformed or truncated FLV streams. A remote attacker could exploit this vulnerability by providing a specially crafted FLV media file that, when opened or streamed by a GStreamer-based application, triggers an assertion failure or a process crash, leading to denial of service.

Assessment

CVSS: 6.5 (v3.1)
Severity: Medium
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 3 November 2026
Last updated: 3 November 2026
Affected: GStreamer project · gst-plugins-good
Assigner: redhat

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

At the source

EUVD (ENISA)

References

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