CVE-2021-3477

MEDIUM

Openexr < 2.4.3 - Integer Overflow

Title source: rule
STIX 2.1

Description

There's a flaw in OpenEXR's deep tile sample size calculations in versions before 3.0.0-beta. An attacker who is able to submit a crafted file to be processed by OpenEXR could trigger an integer overflow, subsequently leading to an out-of-bounds read. The greatest risk of this flaw is to application availability.

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://security.gentoo.org/glsa/202107-27
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=1939159

Scores

CVSS v3 5.5
EPSS 0.0051
EPSS Percentile 66.4%
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-125
Status published
Products (3)
debian/debian_linux 9.0
debian/debian_linux 10.0
openexr/openexr < 2.4.3
Published Mar 31, 2021
Tracked Since Feb 18, 2026