| Name | CVE-2016-5771 |
| Description | spl_array.c in the SPL extension in PHP before 5.5.37 and 5.6.x before 5.6.23 improperly interacts with the unserialize implementation and garbage collection, which allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free and application crash) via crafted serialized data. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-628-1, DSA-3618-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| 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 | Debian Bugs |
|---|
| php5 | source | wheezy | 5.4.45-0+deb7u5 | | DLA-628-1 | |
| php5 | source | jessie | 5.6.23+dfsg-0+deb8u1 | | DSA-3618-1 | |
| php5 | source | (unstable) | 5.6.23+dfsg-1 | | | |
| php7.0 | source | (unstable) | (not affected) | | | |
Notes
- php7.0 <not-affected> (Does not affect PHP 7.x)
PHP Bug: https://bugs.php.net/bug.php?id=72433
https://git.php.net/?p=php-src.git;a=commitdiff;h=a44c89e8af7c2410f4bfc5e097be2a5d0639a60c
Fixed in 5.5.37, 5.6.23