CVE-2021-20304: Integer Overflow or Wraparound
(updated )
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
- access.redhat.com/security/cve/CVE-2021-20304
- bugs.chromium.org/p/oss-fuzz/issues/detail?id=26229
- bugzilla.redhat.com/show_bug.cgi?id=1939157
- github.com/AcademySoftwareFoundation/openexr/commit/51a92d67f53c08230734e74564c807043cbfe41e
- github.com/AcademySoftwareFoundation/openexr/pull/849
- nvd.nist.gov/vuln/detail/CVE-2021-20304
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