| 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) | bullseye | 2.3.0-2 | fixed |
| bookworm | 2.3.3-9 | fixed |
| sid, trixie | 2.3.3-12 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| 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