What’s Vulnerable › Vulnerabilities

CVE-2026-112057: libdvdnav before 7.0.0 Out-of-Bounds Read in dvdnav_describe_title_chapters

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-18 · updated 2026-10-19
• Weakness: CWE-125

Description

libdvdnav before 7.0.0 contains a heap out-of-bounds read vulnerability in dvdnav_describe_title_chapters that allows attackers to read beyond the part-of-title array by supplying an oversized vts_ttn value. Attackers can provide a crafted DVD or disc image declaring a larger VMGI title vts_ttn than the title set's entries to crash applications enumerating chapters.

Affected products

• VideoLAN libdvdnav: before 7.0.0 — fixed in 7.0.0

How to fix

Upgrade to a fixed version: VideoLAN libdvdnav 7.0.0. Check the vendor advisory for mitigations.

References

• https://code.videolan.org/videolan/libdvdnav/-/blob/6.1.1/src/searching.c#L670
• https://code.videolan.org/videolan/libdvdnav/-/commit/1d2af48d685911a169fe77d500b1d426910c6f77
• https://hackmd.io/@haindpwn/libdvdnav-navigation-index-oob-read
• https://www.vulncheck.com/advisories/libdvdnav-before-7.0.0-out-of-bounds-read-in-dvdnav-describe-title-chapters
• https://hackmd.io/@haindpwn/cve-2026-112057-112058-libdvdnav-navigation-index-oob-read

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