CVE-2011-1951

Name	CVE-2011-1951
Description	lib/logmatcher.c in Balabit syslog-ng before 3.2.4, when the global flag is set and when using PCRE 8.12 and possibly other versions, allows remote attackers to cause a denial of service (memory consumption) via a message that does not match a regular expression.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
syslog-ng (PTS)	bookworm	3.38.1-5+deb12u1	fixed
	trixie	4.8.1-5+deb13u1	fixed
	forky, sid	4.8.1-7	fixed

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

Package	Type	Release	Fixed Version	Urgency
syslog-ng	source	lenny	(not affected)
syslog-ng	source	squeeze	(not affected)
syslog-ng	source	(unstable)	3.2.4-1	low

Notes

[squeeze] - syslog-ng <not-affected> (Only affects PCRE >= 8.12)
[lenny] - syslog-ng <not-affected> (Only affects PCRE >= 8.12)
http://git.balabit.hu/?p=bazsi/syslog-ng-3.2.git;a=commit;h=09710c0b105e579d35c7b5f6c66d1ea5e3a3d3ff