CVE-2021-20299

Name	CVE-2021-20299
Description	A flaw was found in OpenEXR's Multipart input file functionality. A crafted multi-part input file with no actual parts can trigger a NULL pointer dereference. The highest threat from this vulnerability is to system availability.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-2732-1, DLA-3236-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
openexr (PTS)	bookworm	3.1.5-5	fixed
	trixie	3.1.13-2	fixed
	forky, sid	3.4.15+ds-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Origin
openexr	source	stretch	2.2.0-11+deb9u4	DLA-2732-1
openexr	source	buster	2.2.1-4.1+deb10u2	DLA-3236-1
openexr	source	(unstable)	2.5.4-1

Notes

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25740
https://github.com/AcademySoftwareFoundation/openexr/pull/840
https://github.com/AcademySoftwareFoundation/openexr/commit/25e9515b06a6bc293d871622b8cafaee7af84e0f