CVE-2026-112058 VideoLAN CVE debrief

Who should care

Defenders of media players, DVD handling applications, and systems using libdvdnav should assess exposure and verify if their applications are using vulnerable versions of libdvdnav.

Why it matters

CVE-2026-112058 is a medium-severity vulnerability in VideoLAN libdvdnav that can cause application crashes. Defenders of media players and DVD handling applications should assess exposure, verify libdvdnav versions, and consider updates to mitigate potential DoS and instability risks.

• Potential application crashes or instability
• Denial of service (DoS) via crafted DVD or disc images
• Need for verification of libdvdnav version usage in applications
• Possible data loss or corruption if not properly handled

Technical summary

The vulnerability exists in the set_PTT function of libdvdnav, which does not properly validate the JumpTT title number. An attacker can craft a malicious DVD or disc image to trigger an out-of-bounds read, causing the application to crash. The vulnerability is due to an assert statement that checks the JumpTT title number. The vulnerability affects media players and DVD handling applications that use libdvdnav. The vulnerability has a medium severity and can be triggered by supplying an invalid JumpTT title number.

Defensive priority

Medium priority for systems using libdvdnav, especially media players and DVD handling applications.

Recommended defensive actions

• Assess exposure of libdvdnav in media players and DVD handling applications
• Verify if applications using libdvdnav are using version 7.0.0 or earlier
• Consider updating libdvdnav to a version beyond 7.0.0 if available
• Monitor for potential crashes or issues with DVD playback
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The CVE record and NVD entry provide details on the vulnerability. However, the scope of affected systems and versions beyond 7.0.0 is not clearly stated. The source references provide additional technical details.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.