CVE-2017-9229

Name	CVE-2017-9229
Description	An issue was discovered in Oniguruma 6.2.0, as used in Oniguruma-mod in Ruby through 2.4.1 and mbstring in PHP through 7.1.5. A SIGSEGV occurs in left_adjust_char_head() during regular expression compilation. Invalid handling of reg->dmax in forward_search_range() could result in an invalid pointer dereference, normally as an immediate denial-of-service condition.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-958-1
Debian Bugs	863318

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
libonig (PTS)	jessie, jessie (lts)	5.9.5-3.2+deb8u6	fixed
	stretch (security), stretch (lts), stretch	6.1.3-2+deb9u2	fixed
	buster	6.9.1-1	fixed
	bullseye	6.9.6-1.1	fixed
	bookworm	6.9.8-1	fixed
	sid, trixie	6.9.9-1	fixed

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

Package	Type	Release	Fixed Version	Origin	Debian Bugs
libonig	source	wheezy	5.9.1-1+deb7u1	DLA-958-1
libonig	source	jessie	5.9.5-3.2+deb8u1
libonig	source	(unstable)	6.1.3-2		863318

https://github.com/kkos/oniguruma/issues/59
https://github.com/kkos/oniguruma/commit/b690371bbf97794b4a1d3f295d4fb9a8b05d402d