CVE-2020-11759

Name	CVE-2020-11759
Description	An issue was discovered in OpenEXR before 2.4.1. Because of integer overflows in CompositeDeepScanLine::Data::handleDeepFrameBuffer and readSampleCountForLineBlock, an attacker can write to an out-of-bounds pointer.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-2358-1, DSA-4755-1
Debian Bugs	959444

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
openexr (PTS)	bullseye (security), bullseye	2.5.4-2+deb11u1	fixed
	bookworm	3.1.5-5	fixed
	sid, trixie	3.1.5-5.1	fixed

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

Package	Type	Release	Fixed Version	Origin	Debian Bugs
openexr	source	experimental	2.5.0-1
openexr	source	jessie	(not affected)
openexr	source	stretch	2.2.0-11+deb9u1	DLA-2358-1
openexr	source	buster	2.2.1-4.1+deb10u1	DSA-4755-1
openexr	source	(unstable)	2.5.3-2		959444

Notes

[jessie] - openexr <not-affected> (Vulnerable code not present)
https://bugs.chromium.org/p/project-zero/issues/detail?id=1987
https://github.com/AcademySoftwareFoundation/openexr/commit/b9997d0c045fa01af3d2e46e1a74b07cc4519446
https://github.com/AcademySoftwareFoundation/openexr/commit/acad98d6d3e787f36012a3737c23c42c7f43a00f
Introduced by https://github.com/AcademySoftwareFoundation/openexr/commit/9f011ae9ce9b1ca03521ff76e7659d34ee830344 (v2.0.0)