CVE-2015-20109

Name	CVE-2015-20109
Description	end_pattern (called from internal_fnmatch) in the GNU C Library (aka glibc or libc6) before 2.22 might allow context-dependent attackers to cause a denial of service (application crash), as demonstrated by use of the fnmatch library function with the **(!() pattern. NOTE: this is not the same as CVE-2015-8984; also, some Linux distributions have fixed CVE-2015-8984 but have not fixed this additional fnmatch issue.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	ELA-874-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
glibc (PTS)	jessie, jessie (lts)	2.19-18+deb8u14	fixed
	stretch (security)	2.24-11+deb9u1	fixed
	stretch (lts), stretch	2.24-11+deb9u7	fixed
	buster (security), buster, buster (lts)	2.28-10+deb10u4	fixed
	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
glibc	source	jessie	2.19-18+deb8u12		ELA-874-1
glibc	source	(unstable)	2.22-1

Notes

https://sourceware.org/bugzilla/show_bug.cgi?id=18036
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c2c6d39fab901c97c18fa3a3a3658d9dc3f7df61 (glibc-2.22)