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Vulnerability · Published Jun 1, 2026 · Assigned by VulDB

CVE-2026-10233Assimp Half-Life 1 MDL Loader HL1MDLLoader.cpp read_sequence_infos out-of-bounds

Low 3.3

In plain English

A low-severity out-of-bounds read in Assimp. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 1% of all known vulnerabilities).

Severity (CVSS 3.1)3.3Low
Exploit odds (30 days)0.1%top 98.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

A security vulnerability has been detected in Assimp up to 6.0.4. Affected by this issue is the function HL1MDLLoader::read_sequence_infos of the file HL1MDLLoader.cpp of the component Half-Life 1 MDL Loader. The manipulation of the argument aiString leads to out-of-bounds read. The attack needs to be performed locally. The exploit has been disclosed publicly and may be used. The project tagged the reported issue as bug.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12assimpno fix listedDEBIAN-CVE-2026-10233
Debian:13assimpno fix listedDEBIAN-CVE-2026-10233
Debian:14assimpno fix listedDEBIAN-CVE-2026-10233
Ubuntu:22.04:LTSassimpno fix listedUBUNTU-CVE-2026-10233
Ubuntu:24.04:LTSassimpno fix listedUBUNTU-CVE-2026-10233
Ubuntu:25.10assimpno fix listedUBUNTU-CVE-2026-10233
Ubuntu:26.04:LTSassimpno fix listedUBUNTU-CVE-2026-10233
Ubuntu:26.10assimpno fix listedUBUNTU-CVE-2026-10233

Affected products (as reported)

VendorProductVersions
n/a Assimp 6.0.06.0.16.0.26.0.36.0.4

Weakness: CWE-125, CWE-119 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R

References