CVE-2019-15695

Name	CVE-2019-15695
Description	TigerVNC version prior to 1.10.1 is vulnerable to stack buffer overflow, which could be triggered from CMsgReader::readSetCursor. This vulnerability occurs due to insufficient sanitization of PixelFormat. Since remote attacker can choose offset from start of the buffer to start writing his values, exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity.
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	947428

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
tigervnc (PTS)	stretch (security), stretch (lts), stretch	1.7.0+dfsg-7+deb9u2	fixed
	buster	1.9.0+dfsg-3+deb10u3	fixed
	bullseye	1.11.0+dfsg-2+deb11u1	fixed
	bookworm	1.12.0+dfsg-8	fixed
	sid, trixie	1.13.1+dfsg-3	fixed

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

Package	Type	Release	Fixed Version	Debian Bugs
tigervnc	source	stretch	1.7.0+dfsg-7+deb9u1
tigervnc	source	buster	1.9.0+dfsg-3+deb10u1
tigervnc	source	(unstable)	1.10.1+dfsg-1	947428

Notes

https://www.openwall.com/lists/oss-security/2019/12/20/2
https://github.com/TigerVNC/tigervnc/commit/05e28490873a861379c943bf616614b78b558b89 (master)
https://github.com/TigerVNC/tigervnc/commit/6c47340e095258a959c95db9aa2a6c715d62bf7c (v1.10.1)