CVE-2026-112283: libbluray through 1.5.1 Uncontrolled Memory Allocation via _parse_extent_start_points

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: 2026-10-19 · updated 2026-10-22
Weakness: CWE-789

Description

VideoLAN libbluray through 1.5.1 contains an uncontrolled memory allocation vulnerability in _parse_extent_start_points() in clpi_parse.c that trusts the num_point field without bounds checking. Attackers can supply a crafted .clpi file on a disc, image, or directory with a huge num_point to exhaust memory and CPU, causing denial of service.

Affected products

VideoLAN libbluray: through 1.5.1

References

https://code.videolan.org/videolan/libbluray/-/blob/1.5.1/src/libbluray/bdnav/clpi_parse.c
https://hackmd.io/@haindpwn/libbluray-clpi-ep-map-oob-read
https://www.vulncheck.com/advisories/libbluray-through-1.5.1-uncontrolled-memory-allocation-via-parse-extent-start-points
https://hackmd.io/@haindpwn/cve-2026-112282-112283-libbluray-clpi-ep-map-oob-read

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