| Name | CVE-2016-7568 |
| Description | Integer overflow in the gdImageWebpCtx function in gd_webp.c in the GD Graphics Library (aka libgd) through 2.2.3, as used in PHP through 7.0.11, allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via crafted imagewebp and imagedestroy calls. |
| 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-3693-1 |
| Debian Bugs | 839659 |
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 | |
| trixie, sid | 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+deb8u7 | DSA-3693-1 | ||
| libgd2 | source | (unstable) | 2.2.3-87-gd0fec80-1 | 839659 | ||
| php5 | source | jessie | 5.6.27+dfsg-0+deb8u1 | |||
| php5 | source | (unstable) | (unfixed) | unimportant | ||
| php7.0 | source | (unstable) | 7.0.12-1 | unimportant |
[wheezy] - libgd2 <not-affected> (Vulnerable code not present)
libgd bug: https://github.com/libgd/libgd/issues/308
Fixed by: https://github.com/libgd/libgd/commit/2806adfdc27a94d333199345394d7c302952b95f
PHP Bug: https://bugs.php.net/bug.php?id=73003
https://github.com/php/php-src/commit/c18263e0e0769faee96a5d0ee04b750c442783c6