CVE-2021-20304

Description

A flaw was found in OpenEXR's hufDecode functionality. This flaw allows an attacker who can pass a crafted file to be processed by OpenEXR, to trigger an undefined right shift error. The highest threat from this vulnerability is to system availability.

References

https://access.redhat.com/security/cve/CVE-2021-20304

https://github.com/AcademySoftwareFoundation/openexr/pull/849

https://github.com/AcademySoftwareFoundation/openexr/commit/51a92d67f53c08230734e74564c807043cbfe41e

https://bugzilla.redhat.com/show_bug.cgi?id=1939157

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26229

https://security.gentoo.org/glsa/202210-31

Details