Vulnerability · Published Oct 18, 2026 · Assigned by VulnCheck
CVE-2026-112057libdvdnav before 7.0.0 Out-of-Bounds Read in dvdnav_describe_title_chapters
Medium 5.5
In plain English
A medium-severity out-of-bounds read in libdvdnav from VideoLAN. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 8% of all known vulnerabilities).
Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.2%top 92.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | libdvdnav | no fix listed | DEBIAN-CVE-2026-112057 |
| Debian:13 | libdvdnav | no fix listed | DEBIAN-CVE-2026-112057 |
| Debian:14 | libdvdnav | no fix listed | DEBIAN-CVE-2026-112057 |
| Ubuntu:22.04:LTS | libdvdnav | no fix listed | UBUNTU-CVE-2026-112057 |
| Ubuntu:24.04:LTS | libdvdnav | no fix listed | UBUNTU-CVE-2026-112057 |
| Ubuntu:26.04:LTS | libdvdnav | no fix listed | UBUNTU-CVE-2026-112057 |
| Ubuntu:26.10 | libdvdnav | no fix listed | UBUNTU-CVE-2026-112057 |
Affected products (as reported)
Weakness: CWE-125 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
References
- https://hackmd.io/@haindpwn/libdvdnav-navigation-index-oob-read third-party-advisory
- https://code.videolan.org/videolan/libdvdnav/-/blob/6.1.1/src/searching.c#L670 technical-description
- https://code.videolan.org/videolan/libdvdnav/-/commit/1d2af48d685911a169fe77d500b1d426910c6f77 patch
- VulnCheck Advisory: libdvdnav before 7.0.0 Out-of-Bounds Read in dvdnav_describe_title_chapters third-party-advisory
- https://hackmd.io/@haindpwn/cve-2026-112057-112058-libdvdnav-navigation-index-oob-read exploit