CVE-2021-20300

MEDIUM

OpenEXR - Integer Overflow in hufUncompress

Title source: llm
STIX 2.1

Description

A flaw was found in OpenEXR's hufUncompress functionality in OpenEXR/IlmImf/ImfHuf.cpp. This flaw allows an attacker who can submit a crafted file that is processed by OpenEXR, to trigger an integer overflow. The highest threat from this vulnerability is to system availability.

References (4)

Core 4

Scores

CVSS v3 5.5
EPSS 0.0089
EPSS Percentile 54.7%
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
Status published
Products (2)
debian/debian_linux 10.0
openexr/openexr < 2.5.4
Published Mar 04, 2022
Tracked Since Feb 18, 2026