CVE-2021-20296

A flaw was found in OpenEXR in versions before 3.0.0-beta. A crafted input file supplied by an attacker, that is processed by the Dwa decompression functionality of OpenEXR's IlmImf library, could cause a NULL pointer dereference. The highest threat from this vulnerability is to system availability.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
redhatCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 32%
VendorProductVersion
openexropenexr
𝑥
< 2.4.3
openexropenexr
2.5.0 ≤
𝑥
< 2.5.4
debiandebian_linux
9.0
debiandebian_linux
10.0
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
Fixed 2.3.0-6ubuntu0.5+esm1
released
bionic
Fixed 2.2.0-11.1ubuntu1.7
released
xenial
Fixed 2.2.0-10ubuntu2.6+esm1
released
trusty
dne
Common Weakness Enumeration
References
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24854
https://bugzilla.redhat.com/show_bug.cgi?id=1939141
https://lists.debian.org/debian-lts-announce/2021/07/msg00001.html
https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html
https://security.gentoo.org/glsa/202107-27
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24854
https://bugzilla.redhat.com/show_bug.cgi?id=1939141
https://lists.debian.org/debian-lts-announce/2021/07/msg00001.html
https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html
https://security.gentoo.org/glsa/202107-27