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Vulnerabilities

Vulnerability · CVE-2026-52718

A denial of service vulnerability was found in GStreamer's AV1 codec parser in gst-plugins-bad.

Published Jun 15, 2026 · catalog updated Oct 1, 2026 · A denial of service

Check if you run it

No confirmed exploitation is on record for CVE-2026-52718. EPSS is 0.71%. Act only if a listed version of A denial of service is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (A denial of service).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium6.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.71%
Remediation
Advisory link
Affected products
Debian:12 gst-plugins-bad1.0 · Debian:13 gst-plugins-bad1.0 · Debian:14 gst-plugins-bad1.0

A denial of service vulnerability was found in GStreamer's AV1 codec parser in gst-plugins-bad. The gst_av1_parser_parse_tile_list_obu() function passes a byte count to a bit-reader API that expects a bit count, causing parser desynchronization. A remote attacker could trick a user into opening a specially crafted AV1 media file, triggering an assertion abort and causing the application to crash.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • Debian:12 gst-plugins-bad1.01.22.0-4, 1.22.0-4+deb12u1, 1.22.0-4+deb12u2
  • Debian:13 gst-plugins-bad1.00 → 1.26.2-3+deb13u2
  • Debian:14 gst-plugins-bad1.00 → 1.28.4-1

How to fix CVE-2026-52718

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-52718. EPSS is 0.71%. Act only if a listed version of A denial of service is installed.

Which versions are affected?

Compare what you have installed with 1.22.0-4, 1.22.0-4+deb12u1, 1.22.0-4+deb12u2, 0 → 1.26.2-3+deb13u2, 0 → 1.28.4-1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.71%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Debian security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jun 15, 2026 · OpenSSF OSV / OSV Scanner

    Detected

    A denial of service vulnerability was found in GStreamer's AV1 codec parser in gst-plugins-bad. The gst_av1_parser_parse_tile_list_obu() function passes a byte count to a bit-reader API that expects a bit count, causing parser desynchronization. A remote attacker could trick a user into opening a specially crafted AV1 media file, triggering an assertion abort and causing the application to crash.

  2. Oct 1, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    gst-plugins-bad1.0 fixed in 1.26.2-3+deb13u2; gst-plugins-bad1.0 fixed in 1.28.4-1

  3. Oct 1, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    gst-plugins-bad1.0 fixed in 1.26.2-3+deb13u2

  4. Oct 1, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    gst-plugins-bad1.0 fixed in 1.28.4-1

  5. Oct 1, 2026 · OpenSSF OSV / OSV Scanner

    Updated

    A denial of service vulnerability was found in GStreamer's AV1 codec parser in gst-plugins-bad. The gst_av1_parser_parse_tile_list_obu() function passes a byte count to a bit-reader API that expects a bit count, causing parser desynchronization. A remote attacker could trick a user into opening a specially crafted AV1 media file, triggering an assertion abort and causing the application to crash.

Sources

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.