A segmentation fault (SEGV) was detected in the SortByPTypeProcess::Execute function in the Assimp library during fuzz testing with Address…

published 2024-10-24 2 y ago modified 2026-06-17 4 mo ago also PYSEC-2024-294 , EUVD-2024-43010

cvss: 6.2; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 13%
public exploits: 0; none known

A segmentation fault (SEGV) was detected in the SortByPTypeProcess::Execute function in the Assimp library during fuzz testing with AddressSanitizer. The crash occurred due to a read access to an invalid memory address (0x1000c9714971).

Patch / fix

distros 1

assimp openSUSE Tumbleweed 6.0.1-1.1

opensuse advisories openSUSE-SU-2025:15198-1

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-2024-48426 updated 2026-11-05 cvss 6.2

assimp: SEGV in SortByPTypeProcess::Execute

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: partial
Assessed: 2 y ago (2024-10-29)

Exploit prediction

0.23% chance of exploitation in the next 30 days, higher than 13% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/assimp/assimp/issues/5789 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	6.2	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA	3.1	6.2	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
OSV	3.1	6.2	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem	package	affected	fixed in
pypi	pyassimp	<=5.4.3	no fix listed

Affected products

assimp assimp

Classification

Weakness

CWE-120 Buffer Copy without Checking Size of Input

References

github.com /assimp/assimp/issues/5789
exploit, issue-tracking, 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