Descriptionlib/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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
syslog-ng (PTS)stretch3.8.1-10fixed
bookworm, bullseye, sid3.28.1-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
syslog-ngsourcelenny(not affected)
syslog-ngsourcesqueeze(not affected)


[squeeze] - syslog-ng <not-affected> (Only affects PCRE >= 8.12)
[lenny] - syslog-ng <not-affected> (Only affects PCRE >= 8.12);a=commit;h=09710c0b105e579d35c7b5f6c66d1ea5e3a3d3ff

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