CVE-2021-3477

Published: 31 March 2021

There's a flaw in OpenEXR's deep tile sample size calculations in versions before 3.0.0-beta. An attacker who is able to submit a crafted file to be processed by OpenEXR could trigger an integer overflow, subsequently leading to an out-of-bounds read. The greatest risk of this flaw is to application availability.

Priority

Low

CVSS 3 base score: 5.5

Status

Package Release Status
openexr
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.04 (Hirsute Hippo) Needed

Ubuntu 20.10 (Groovy Gorilla)
Released (2.5.3-2ubuntu0.2)
Ubuntu 20.04 LTS (Focal Fossa)
Released (2.3.0-6ubuntu0.5)
Ubuntu 18.04 LTS (Bionic Beaver)
Released (2.2.0-11.1ubuntu1.6)
Ubuntu 16.04 LTS (Xenial Xerus)
Released (2.2.0-10ubuntu2.6)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

Patches:
Upstream: https://github.com/AcademySoftwareFoundation/openexr/commit/467be80b75642efbbe6bdace558079f68c16acb1