Vulnerability · Published Oct 18, 2026 · Assigned by VulnCheck

CVE-2026-112058libdvdnav through 7.0.0 Out-of-Bounds Read via set_PTT JumpTT

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

VideoLAN libdvdnav through 7.0.0 contains an out-of-bounds read vulnerability in set_PTT that allows attackers to crash applications by supplying an invalid JumpTT title number checked only by an assert. Attackers can craft a DVD or disc image whose First Play program chain issues JumpTT with title 0 or an oversized number, reading past the heap title table and crashing the player.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Debian:12	libdvdnav	no fix listed	DEBIAN-CVE-2026-112058
Debian:13	libdvdnav	no fix listed	DEBIAN-CVE-2026-112058
Debian:14	libdvdnav	no fix listed	DEBIAN-CVE-2026-112058
Ubuntu:22.04:LTS	libdvdnav	no fix listed	UBUNTU-CVE-2026-112058
Ubuntu:24.04:LTS	libdvdnav	no fix listed	UBUNTU-CVE-2026-112058
Ubuntu:26.04:LTS	libdvdnav	no fix listed	UBUNTU-CVE-2026-112058
Ubuntu:26.10	libdvdnav	no fix listed	UBUNTU-CVE-2026-112058

Affected products (as reported)

Vendor	Product	Versions
VideoLAN	libdvdnav	0 – through 7.0.0

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/7.0.0/src/vm/getset.c#L51 technical-description
VulnCheck Advisory: libdvdnav through 7.0.0 Out-of-Bounds Read via set_PTT JumpTT third-party-advisory