CVE-2022-1586

Name	CVE-2022-1586
Description	An out-of-bounds read vulnerability was discovered in the PCRE2 library in the compile_xclass_matchingpath() function of the pcre2_jit_compile.c file. This involves a unicode property matching issue in JIT-compiled regular expressions. The issue occurs because the character was not fully read in case-less matching within JIT.
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)
References	DLA-3363-1
Debian Bugs	1011954

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
pcre2 (PTS)	buster	10.32-5	vulnerable
	buster (security)	10.32-5+deb10u1	fixed
	bullseye	10.36-2+deb11u1	fixed
	bookworm, sid	10.42-1	fixed

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

Package	Type	Release	Fixed Version	Origin	Debian Bugs
pcre2	source	buster	10.32-5+deb10u1	DLA-3363-1
pcre2	source	bullseye	10.36-2+deb11u1
pcre2	source	(unstable)	10.40-1		1011954

Notes

[stretch] - pcre2 <no-dsa> (Minor issue)
https://github.com/PCRE2Project/pcre2/commit/50a51cb7e67268e6ad417eb07c9de9bfea5cc55a (pcre2-10.40)
https://github.com/PCRE2Project/pcre2/commit/d4fa336fbcc388f89095b184ba6d99422cfc676c (pcre2-10.40)