CVE-2013-0176

Name	CVE-2013-0176
Description	The publickey_from_privatekey function in libssh before 0.5.4, when no algorithm is matched during negotiations, allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a "Client: Diffie-Hellman Key Exchange Init" packet.
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	698963

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
libssh (PTS)	bullseye (security), bullseye	0.9.8-0+deb11u1	fixed
	bookworm, bookworm (security)	0.10.6-0+deb12u1	fixed
	sid, trixie	0.11.1-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
libssh	source	(unstable)	0.5.4-1	low		698963

Notes

[squeeze] - libssh <no-dsa> (Minor issue)
http://www.libssh.org/2013/01/22/libssh-0-5-4-security-release/
http://git.libssh.org/projects/libssh.git/commit/?h=v0-5&id=55b09f426417406bb25c0b9c474fbab1398b0dc8