An issue in assimp v.5.4.3 allows a local attacker to execute arbitrary code via the CallbackToLogRedirector function within the Assimp lib…

published 2024-10-24 2 y ago modified 2026-06-17 4 mo ago also PYSEC-2024-120 , EUVD-2024-0152

cvss: 8.4; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 17%
public exploits: 0; none known

An issue in assimp v.5.4.3 allows a local attacker to execute arbitrary code via the CallbackToLogRedirector function within the Assimp library.

Patch / fix

distros 2

debian opensuse

assimp Debian 14 6.0.2+ds-1

debian advisories DEBIAN-CVE-2024-48423

assimp Package Hub 15 SP6, openSUSE Leap 15.6 5.3.1-bp156.3.9.1
assimp openSUSE Tumbleweed 5.4.3-3.1

opensuse advisories openSUSE-SU-2025:0113-1 openSUSE-SU-2024:14610-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2024-48423 updated 2026-11-05 cvss 7.8

assimp: arbitrary code execution via CallbackToLogRedirector function

Red Hat Enterprise Linux 9 qt5-qt3d, qt5-qt3d-examples
not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: total
Assessed: 2 y ago (2024-10-29)

Exploit prediction

0.26% chance of exploitation in the next 30 days, higher than 17% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/assimp/assimp/issues/5788 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	8.4	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA	3.1	8.4	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
OSV	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem	package	affected	fixed in
pypi	pyassimp	all versions	no fix listed

Affected products

assimp assimp

Classification

Weakness

CWE-416 Use After Free

References

github.com /assimp/assimp/issues/5788
exploit, issue-tracking, third-party-advisory, report

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary