CVE-2015-3217

Name	CVE-2015-3217
Description	PCRE 7.8 and 8.32 through 8.37, and PCRE2 10.10 mishandle group empty matches, which might allow remote attackers to cause a denial of service (stack-based buffer overflow) via a crafted regular expression, as demonstrated by /^(?:(?(1)\\.\|([^\\\\W_])?)+)+$/.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
Debian Bugs	787641

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
pcre3 (PTS)	buster	2:8.39-12	fixed
	bullseye	2:8.39-13	fixed
	bookworm, sid	2:8.39-15	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
pcre3	source	(unstable)	2:8.38-1			787641

Notes

[jessie] - pcre3 <no-dsa> (Minor issue)
[wheezy] - pcre3 <no-dsa> (Minor issue)
[squeeze] - pcre3 <no-dsa> (Minor issue)
https://bugs.exim.org/show_bug.cgi?id=1638
Upstream fix: http://vcs.pcre.org/pcre?view=revision&revision=1566
More information: https://bugzilla.redhat.com/show_bug.cgi?id=1228283#c2