CVE-2015-8877

NameCVE-2015-8877
DescriptionThe 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-3587-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libgd2 (PTS)buster2.2.5-5.2fixed
bullseye2.3.0-2fixed
sid, trixie, bookworm2.3.3-9fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libgd2sourcewheezy(not affected)
libgd2sourcejessie2.1.0-5+deb8u3DSA-3587-1
libgd2source(unstable)2.2.1-1
php5sourcejessie5.6.12+dfsg-0+deb8u1
php5source(unstable)5.6.12+dfsg-1unimportant
php7.0source(unstable)7.0.0-1unimportant

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

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