CVE-2020-23884

Name	CVE-2020-23884
Description	A buffer overflow in Nomacs v3.15.0 allows attackers to cause a denial of service (DoS) via a crafted MNG file.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs	1014124

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
qt6-base (PTS)	bookworm	6.4.2+dfsg-10	fixed
	sid, trixie	6.7.2+dfsg-4	fixed
qtimageformats-opensource-src (PTS)	bullseye	5.15.2-2	vulnerable
	bookworm	5.15.8-2	vulnerable
	sid, trixie	5.15.15-3	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
qt6-base	source	(unstable)	(not affected)
qtimageformats-opensource-src	source	(unstable)	5.15.15-3			1014124

Notes

- qt6-base <not-affected> (Fixed before initial upload to the archive)
[bookworm] - qtimageformats-opensource-src <no-dsa> (Minor issue)
Originally reported/assigned to nomac, but actual issue is in Qt:
https://github.com/nomacs/nomacs/issues/516
https://codereview.qt-project.org/c/qt/qtbase/+/303313
https://github.com/qt/qtbase/commit/1a63409579ff0e9ce524c09701c1ef8bd2d99f25 (v6.0.0-alpha1)