CVE-2026-112058: VideoLAN libdvdnav out-of-bounds read in set_PTT

CVE-2026-112058 · Severity: medium · CVSS 5.5 · Published 2026-10-18

libdvdnav is a library used by media players to read and navigate DVD discs. An attacker can craft a malicious DVD or disc image that causes applications using this library to crash by providing an invalid title number that bypasses safety checks. While this results in a denial of service rather than data theft or system compromise, it can disrupt media playback and user experience.

Vendors: VideoLAN.

Quick answers

Is CVE-2026-112058 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-112058 being exploited in the wild.
How severe is CVE-2026-112058?
Medium severity, with a CVSS score of 5.5, published 18 October 2026.
Which products and versions are affected?
VideoLAN Libdvdnav through 7.0.0.
Is there a fix for CVE-2026-112058?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-112058 attacked?
It is attacked with local access, in a software library.
Am I affected by CVE-2026-112058?
Check whether you run VideoLAN Libdvdnav at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

The vulnerability is an out-of-bounds read in the set_PTT function in src/vm/getset.c, triggered when a DVD's First Play program chain issues a JumpTT command with an invalid title number (0 or oversized value). The vulnerability exists because title validation relies solely on an assert statement, which can be disabled at compile time. An attacker can read past the heap title table, causing a crash.

Affected products

  • VideoLAN libdvdnav through 7.0.0

Timeline

  • 2026-10-18: disclosed

References

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