CVE-2014-8121

Name	CVE-2014-8121
Description	DB_LOOKUP in nss_files/files-XXX.c in the Name Service Switch (NSS) in GNU C Library (aka glibc or libc6) 2.21 and earlier does not properly check if a file is open, which allows remote attackers to cause a denial of service (infinite loop) by performing a look-up on a database while iterating over it, which triggers the file pointer to be reset.
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-316-1, DSA-3480-1
Debian Bugs	779587

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
glibc (PTS)	bullseye	2.31-13+deb11u11	fixed
	bullseye (security)	2.31-13+deb11u10	fixed
	bookworm	2.36-9+deb12u9	fixed
	bookworm (security)	2.36-9+deb12u7	fixed
	sid, trixie	2.40-4	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
eglibc	source	squeeze	2.11.3-4+deb6u7		DLA-316-1
eglibc	source	wheezy	2.13-38+deb7u10		DSA-3480-1
eglibc	source	(unstable)	(unfixed)	low
glibc	source	jessie	2.19-18+deb8u2
glibc	source	(unstable)	2.21-1	low		779587

Notes

[wheezy] - eglibc <no-dsa> (Minor issue)
[squeeze] - eglibc <no-dsa> (Minor issue)
Patch: https://sourceware.org/git/?p=glibc.git;a=commit;h=03d2730b44cc2236318fd978afa2651753666c55