Vulnerabilities > CVE-2021-20298 - Out-of-bounds Write vulnerability in multiple products
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
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.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- https://github.com/AcademySoftwareFoundation/openexr/commit/85fd638ae0d5fa132434f4cbf32590261c1dba97
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25913
- https://bugzilla.redhat.com/show_bug.cgi?id=1939156
- https://access.redhat.com/security/cve/CVE-2021-20298
- https://github.com/AcademySoftwareFoundation/openexr/pull/843
- https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html