CVE-2014-3493

Name	CVE-2014-3493
Description	The push_ascii function in smbd in Samba 3.6.x before 3.6.24, 4.0.x before 4.0.19, and 4.1.x before 4.1.9 allows remote authenticated users to cause a denial of service (memory corruption and daemon crash) via an attempt to read a Unicode pathname without specifying use of Unicode, leading to a character-set conversion failure that triggers an invalid pointer dereference.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DSA-2966-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
samba (PTS)	bullseye (security), bullseye	2:4.13.13+dfsg-1~deb11u6	fixed
	bookworm, bookworm (security)	2:4.17.12+dfsg-0+deb12u1	fixed
	trixie	2:4.21.2+dfsg-3	fixed
	sid	2:4.21.2+dfsg-4	fixed

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

Package	Type	Release	Fixed Version	Origin
samba	source	squeeze	(not affected)
samba	source	wheezy	2:3.6.6-6+deb7u4	DSA-2966-1
samba	source	(unstable)	2:4.1.9+dfsg-1
samba4	source	(unstable)	4.0.0~beta2+dfsg1-3.2+deb7u2

Notes

[squeeze] - samba <not-affected> (Only affects 3.6 and later)
AD-related packages removed from src:samba4 in 4.0.0~beta2+dfsg1-3.2+deb7u2
https://www.samba.org/samba/security/CVE-2014-3493