Detections
Analytics

CVE-2021-20299

high

Description

A flaw was found in OpenEXR's Multipart input file functionality. A crafted multi-part input file with no actual parts can trigger a NULL pointer dereference. The highest threat from this vulnerability is to system availability.

References

https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html

https://github.com/AcademySoftwareFoundation/openexr/commit/25e9515b06a6bc293d871622b8cafaee7af84e0f

https://bugzilla.redhat.com/show_bug.cgi?id=1939154

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25740

Details

Source: Mitre, NVD

Published: 2022-03-16

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

EPSS

EPSS: 0.00142