CVE-2021-20303

A flaw found in function dataWindowForTile() of IlmImf/ImfTiledMisc.cpp. An attacker who is able to submit a crafted file to be processed by OpenEXR could trigger an integer overflow, leading to an out-of-bounds write on the heap. The greatest impact of this flaw is to application availability, with some potential impact to data integrity as well.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.1 MEDIUM
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
redhatCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 31%
VendorProductVersion
openexropenexr
𝑥
< 2.5.4
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
needs-triage
bionic
needs-triage
xenial
needs-triage
trusty
dne
Common Weakness Enumeration
References
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25505
https://bugzilla.redhat.com/show_bug.cgi?id=1939151
https://github.com/AcademySoftwareFoundation/openexr/pull/831
https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25505
https://bugzilla.redhat.com/show_bug.cgi?id=1939151
https://github.com/AcademySoftwareFoundation/openexr/pull/831
https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html