CVE-2025-3548

Name	CVE-2025-3548
Description	A vulnerability, which was classified as critical, has been found in Open Asset Import Library Assimp up to 5.4.3. This issue affects the function aiString::Set in the library include/assimp/types.h of the component File Handler. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used. It is recommended to apply a patch to fix this issue.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs	1103443

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
assimp (PTS)	bullseye	5.0.1~ds0-2	vulnerable
	bookworm	5.2.5~ds0-1	vulnerable
	sid, trixie	5.4.3+ds-2	vulnerable

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
assimp	source	(unstable)	(unfixed)			1103443

Notes

[bookworm] - assimp <no-dsa> (Minor issue)
https://github.com/assimp/assimp/issues/6068
https://github.com/assimp/assimp/pull/6073
Fixed by: https://github.com/assimp/assimp/commit/0ae66d27039481dc2a507bbc8482f691037c1a5a