A flaw was found in Blender 3.3.0.

published 2022-08-16 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-35067

cvss: 7.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.6%; EPSS 1.6% chance of exploitation in 30 days, percentile 76%
public exploits: 0; none known

A flaw was found in Blender 3.3.0. An interger overflow in source/blender/blendthumb/src/blendthumb_extract.cc may lead to program crash or memory corruption.

Patch / fix

distros 2 links 3

debian alpine

blender Debian 14, Debian 13, Debian 12 3.2.2+dfsg-1

debian advisories DEBIAN-CVE-2022-2831

blender Alpine 3.24, Alpine 3.23, Alpine 3.22 +5 more 3.3.0-r0

alpine advisories ALPINE-CVE-2022-2831

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

developer.blender.org/T99705 advisory
developer.blender.org/rBb1329d7eaa52a11c73b75d19d20bd8f6d11ac535 advisory
developer.blender.org/rB32df09b2416a6961704eca0fe73534c8c4e715b2 advisory

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-2022-2831 updated 2025-11-21 cvss 7.3

blender: Integer Overflow in blender thumbnail extractor

Red Hat All currently supported Red Hat products
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

Exploit prediction

1.61% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

developer.blender.org https://developer.blender.org/T99705 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

n/a Blender

Classification

Weakness

CWE-190 Integer Overflow or Wraparound
CWE-125 Out-of-bounds Read
CWE-787 Out-of-bounds Write

References

developer.blender.org /T99705
exploit, patch, vendor-advisory
developer.blender.org /rBb1329d7eaa52a11c73b75d19d20bd8f6d11ac535
patch, vendor-advisory
developer.blender.org /rB32df09b2416a6961704eca0fe73534c8c4e715b2
patch, vendor-advisory

Sources

CVE List CVE-2022-2831
NVD CVE-2022-2831

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