CVE-2021-20298
HIGHOpenEXR < 2.5.7 - Denial of Service via B44Compressor Memory Exhaustion
Title source: llmDescription
A flaw was found in OpenEXR's B44Compressor. This flaw allows an attacker who can submit a crafted file to be processed by OpenEXR, to exhaust all memory accessible to the application. The highest threat from this vulnerability is to system availability.
References (6)
Core 6
Core References
Mailing List, Third Party Advisory mailing-list
https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html
Third Party Advisory
https://access.redhat.com/security/cve/CVE-2021-20298
Mailing List, Third Party Advisory
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25913
Issue Tracking, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1939156
Patch, Third Party Advisory
https://github.com/AcademySoftwareFoundation/openexr/commit/85fd638ae0d5fa132434f4cbf32590261c1dba97
Patch, Third Party Advisory
https://github.com/AcademySoftwareFoundation/openexr/pull/843
Scores
CVSS v3
7.5
EPSS
0.0122
EPSS Percentile
65.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-400
CWE-787
Status
published
Products (2)
debian/debian_linux
10.0
openexr/openexr
< 2.5.7
Published
Aug 23, 2022
Tracked Since
Feb 18, 2026