CVE-2015-8877

Name	CVE-2015-8877
Description	The gdImageScaleTwoPass function in gd_interpolation.c in the GD Graphics Library (aka libgd) before 2.2.0, as used in PHP before 5.6.12, uses inconsistent allocate and free approaches, which allows remote attackers to cause a denial of service (memory consumption) via a crafted call, as demonstrated by a call to the PHP imagescale function.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DSA-3587-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
libgd2 (PTS)	jessie, jessie (lts)	2.1.0-5+deb8u15	fixed
	stretch (security)	2.2.4-2+deb9u4	fixed
	stretch (lts), stretch	2.2.4-2+deb9u6	fixed
	buster (security), buster, buster (lts)	2.2.5-5.2+deb10u1	fixed
	bullseye	2.3.0-2	fixed
	bookworm	2.3.3-9	fixed
	sid, trixie	2.3.3-12	fixed
php5 (PTS)	jessie, jessie (lts)	5.6.40+dfsg-0+deb8u21	fixed
php7.0 (PTS)	stretch (security)	7.0.33-0+deb9u12	fixed
	stretch (lts), stretch	7.0.33-0+deb9u19	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin
libgd2	source	wheezy	(not affected)
libgd2	source	jessie	2.1.0-5+deb8u3		DSA-3587-1
libgd2	source	(unstable)	2.2.1-1
php5	source	jessie	5.6.12+dfsg-0+deb8u1
php5	source	(unstable)	5.6.12+dfsg-1	unimportant
php7.0	source	(unstable)	7.0.0-1	unimportant

Notes

[wheezy] - libgd2 <not-affected> (Vulnerable code not present)
https://github.com/libgd/libgd/commit/4751b606fa38edc456d627140898a7ec679fcc24 (gd-2.2.0)
https://github.com/libgd/libgd/issues/173
PHP bug: https://bugs.php.net/bug.php?id=70064
Fixed in PHP 5.6.12, 7.0.0
Starting with 5.4.0-1 Debian uses the system copy of libgd