CVE-2021-26260

MEDIUM

OpenEXR < 3.0.1 - Heap-Buffer Overflow via DwaCompressor Integer Overflow

Title source: llm
STIX 2.1

Description

An integer overflow leading to a heap-buffer overflow was found in the DwaCompressor of OpenEXR in versions before 3.0.1. An attacker could use this flaw to crash an application compiled with OpenEXR. This is a different flaw from CVE-2021-23215.

References (5)

Core 5
Core References
Mailing List, Third Party Advisory mailing-list
https://lists.debian.org/debian-lts-announce/2021/07/msg00001.html
Third Party Advisory vendor-advisory
https://www.debian.org/security/2022/dsa-5299
Mailing List, Third Party Advisory mailing-list
https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html
Issue Tracking, Patch, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1947582

Scores

CVSS v3 5.5
EPSS 0.0110
EPSS Percentile 61.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Details

CWE
CWE-190 CWE-400
Status published
Products (5)
debian/debian_linux 9.0
debian/debian_linux 10.0
debian/debian_linux 11.0
fedoraproject/fedora 33
openexr/openexr < 3.0.1
Published Jun 08, 2021
Tracked Since Feb 18, 2026