CVE-2021-20304

EPSS 1.5%CWE-190

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 1.5%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

23 Aug 2022Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

Affected products

n/a · OpenEXR

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References

https://access.redhat.com/security/cve/CVE-2021-20304 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26229 https://bugzilla.redhat.com/show_bug.cgi?id=1939157 https://github.com/AcademySoftwareFoundation/openexr/commit/51a92d67f53c08230734e74564c807043cbfe41e https://github.com/AcademySoftwareFoundation/openexr/pull/849 https://security.gentoo.org/glsa/202210-31