CVE-2021-20299

moderate-risk
Published 2022-03-16

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.

Do I need to act?

~
1.0% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (2)

Affected Vendors

Debian Openexr

References (8)

Mailing List https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25740
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1939154
Patch https://github.com/AcademySoftwareFoundation/openexr/commit/25e9515b06a6bc293d87...
Mailing List https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html
Mailing List https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25740
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1939154
Patch https://github.com/AcademySoftwareFoundation/openexr/commit/25e9515b06a6bc293d87...
Mailing List https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html
36
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 3/34 · Minimal
Exposure 7/34 · Low