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VulnerabilityPublished Updated

CVE-2026-85150: Gst plugins base1.0 · A NULL pointer dereference flaw was found in GStreamer's RTSP support library

Affects gst-plugins-base1.0Source GCVE Database

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Authoritative record:CVE-2026-85150· High 7.5

Not known to be exploited · CVSS 7.5 High.

Data as of 6 Nov 2026, 17:54 UTC

CVSS 3.1 base score
7.5High
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (redhat)CVSS 3.17.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 3 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 6 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
Ubuntu 26.04 LTSgst-plugins-base1.0pkg:deb/ubuntu/gst-plugins-base1.0?arch=source&distro=resoluteOther threatsAffected
  • 1.26.6-1 – 1.28.2-1ubuntu0.1
8 affected builds
Fixed in–
Ubuntu 24.04 LTSgst-plugins-base1.0pkg:deb/ubuntu/gst-plugins-base1.0?arch=source&distro=nobleOther threatsAffected
  • 1.22.6-1 – 1.24.2-1ubuntu0.5
12 affected builds
Fixed in–
Ubuntu 22.04 LTSgst-plugins-base1.0pkg:deb/ubuntu/gst-plugins-base1.0?arch=source&distro=jammyOther threatsAffected
  • 1.18.5-1 – 1.20.1-1ubuntu0.7
11 affected builds
Fixed in–
Ubuntu Pro 20.04 LTSgst-plugins-base1.0pkg:deb/ubuntu/gst-plugins-base1.0?arch=source&distro=esm-infra/focalOther threatsAffected
  • 1.16.1-1 – 1.16.3-0ubuntu1.4+esm3
15 affected builds
Fixed in–
Ubuntu Pro 18.04 LTSgst-plugins-base1.0pkg:deb/ubuntu/gst-plugins-base1.0?arch=source&distro=esm-infra/bionicOther threatsAffected
  • 1.12.3-1 – 1.14.5-0ubuntu1~18.04.3+esm4
16 affected builds
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

No mitigation is currently available that meets Red Hat Product Security's standards for usability, deployment, applicability, or stability. Users should monitor vendor advisories for updates. RTSP servers without authentication configured are not affected by the server-side attack path. RTSP clients remain vulnerable when connecting to untrusted servers. Consider restricting connections to trusted RTSP servers where possible until a fix is available.

Description

A NULL pointer dereference vulnerability exists in GStreamer's RTSP support library when parsing Digest authentication headers. This flaw can be triggered by specially crafted whitespace around parameters, causing a length calculation underflow and crashing the process. On RTSP servers with authentication enabled, a remote unauthenticated attacker can cause a denial of service by sending a malformed request. RTSP clients are also vulnerable when connecting to malicious servers. There is no confirmed impact on confidentiality or integrity.

References

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