CVE-2018-14337

Name	CVE-2018-14337
Description	The CHECK macro in mrbgems/mruby-sprintf/src/sprintf.c in mruby 1.4.1 contains a signed integer overflow, possibly leading to out-of-bounds memory access because the mrb_str_resize function in string.c does not check for a negative length.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-2996-1
Debian Bugs	903985

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
mruby (PTS)	bullseye	2.1.2-3	fixed
	bookworm	3.1.0-3	fixed
	trixie	3.3.0-1	fixed
	forky, sid	3.4.0-2	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
mruby	source	stretch	1.2.0+20161228+git30d5424a-1+deb9u1		DLA-2996-1
mruby	source	(unstable)	2.0.0-1	low		903985

Notes

[jessie] - mruby <no-dsa> (Minor issue)
https://github.com/mruby/mruby/issues/4062
https://github.com/mruby/mruby/commit/695f29cd604787f43be1af16e38d13610bf8312b
https://github.com/mruby/mruby/commit/adb1eae912659d680a9c5b7832e22cf73d36a69a