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Fencer Intel
medium 6.5

CVE-2026-119842 json

Gst-plugins-base: gst-plugins-base: null-pointer dereference in mdvdsub subtitle parser via missing closing-brace check

published 10d ago modified 4d ago also EUVD-2026-114326

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 26%
public exploits
0
none known

Summary

A flaw was found in GStreamer's gst-plugins-base MicroDVD subtitle parser. When processing a specially crafted subtitle file, the parser may dereference a NULL pointer, causing the application to crash when a user opens or plays media with a malformed MicroDVD (.sub) subtitle file.

Patch / fix

  • gst-plugins-base1.0 Debian 14 1.28.2-1

debian advisories DEBIAN-CVE-2026-119842

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2026-119842 updated cvss 6.5

gst-plugins-base: gst-plugins-base: NULL-pointer dereference in mDVDsub subtitle parser via missing closing-brace check

  • Red Hat Enterprise Linux 6 gstreamer-plugins-base Red Hat Enterprise Linux 7 gstreamer-plugins-base, gstreamer1-plugins-base, gstreamer-plugins-base-tools, gstreamer1-plugins-base-tools Red Hat Enterprise Linux 8 gstreamer1-plugins-base Red Hat Enterprise Linux 9 gstreamer1-plugins-base, gstreamer1-plugins-base-tools Red Hat Enterprise Linux 10 gstreamer1-plugins-base
    affected: workaround, no fix available “Avoid untrusted MicroDVD (.sub) subtitle files; disable automatic subtitle loading if supported.”

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
10d ago

Exploit prediction

0.33% chance of exploitation in the next 30 days, higher than 26% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected products

  • Red Hat Red Hat Enterprise Linux 10
  • Red Hat Red Hat Enterprise Linux 6
  • Red Hat Red Hat Enterprise Linux 7
  • Red Hat Red Hat Enterprise Linux 8
  • Red Hat Red Hat Enterprise Linux 9

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.