Descriptionlibpcre1 in PCRE 8.40 and libpcre2 in PCRE2 10.23 allow remote attackers to cause a denial of service (segmentation violation for read access, and application crash) by triggering an invalid Unicode property lookup.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium (attack range: remote)
Debian Bugs858230, 858233

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
pcre2 (PTS)buster, sid, stretch10.22-3fixed
pcre3 (PTS)wheezy1:8.30-5fixed
buster, sid, stretch2:8.39-3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
pcre3sourcewheezy(not affected)


[jessie] - pcre3 <no-dsa> (Minor issue; 32bit character support not enabled)
[wheezy] - pcre3 <not-affected> (Vulnerable code not present) (for pcre3) (for pcre3) (for pcre2) (for pcre2)

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