CVE-2011-1951

EUVD-2011-1945
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
4.3 UNKNOWN
NETWORK
MEDIUM
AV:N/AC:M/Au:N/C:N/I:N/A:P
Base Score
CVSS 3.x
EPSS Score
Percentile: 81%
Affected Products (NVD)
VendorProductVersion
oneidentitysyslog-ng
𝑥
< 3.2.4
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
syslog-ng
bookworm
3.38.1-5
fixed
bullseye
3.28.1-2+deb11u1
fixed
bullseye (security)
3.28.1-2+deb11u1
fixed
lenny
not-affected
sid
4.4.0-3
fixed
squeeze
not-affected
trixie
4.4.0-3
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
syslog-ng
hardy
ignored
lucid
ignored
maverick
ignored
natty
ignored
oneiric
not-affected
precise
not-affected
quantal
not-affected
raring
not-affected
saucy
not-affected
Common Weakness Enumeration
References
http://git.balabit.hu/?p=bazsi/syslog-ng-3.2.git%3Ba=commit%3Bh=09710c0b105e579d35c7b5f6c66d1ea5e3a3d3ff
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/062107.html
http://secunia.com/advisories/45122
http://www.openwall.com/lists/oss-security/2011/05/26/1
http://www.securityfocus.com/bid/47800
https://bugzilla.redhat.com/show_bug.cgi?id=709088
http://git.balabit.hu/?p=bazsi/syslog-ng-3.2.git%3Ba=commit%3Bh=09710c0b105e579d35c7b5f6c66d1ea5e3a3d3ff
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/062107.html
http://secunia.com/advisories/45122
http://www.openwall.com/lists/oss-security/2011/05/26/1
http://www.securityfocus.com/bid/47800
https://bugzilla.redhat.com/show_bug.cgi?id=709088