CVE-2021-20304

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
redhatCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 27%
VendorProductVersion
openexropenexr
𝑥
≤ 2.5.7
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
openexr
bullseye (security)
2.5.4-2+deb11u1
fixed
bullseye
2.5.4-2+deb11u1
fixed
bookworm
3.1.5-5
fixed
sid
3.1.5-5.1
fixed
trixie
3.1.5-5.1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
openexr
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
not-affected
jammy
not-affected
impish
not-affected
hirsute
not-affected
groovy
ignored
focal
needs-triage
bionic
needs-triage
xenial
needs-triage
trusty
dne
Common Weakness Enumeration
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
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