| Name | CVE-2015-6835 |
| Description | The session deserializer in PHP before 5.4.45, 5.5.x before 5.5.29, and 5.6.x before 5.6.13 mishandles multiple php_var_unserialize calls, which allow remote attackers to execute arbitrary code or cause a denial of service (use-after-free) via crafted session content. |
| 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-3358-1 |
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+deb7u1 | DSA-3358-1 | ||
| php5 | source | jessie | 5.6.13+dfsg-0+deb8u1 | DSA-3358-1 | ||
| php5 | source | (unstable) | 5.6.13+dfsg-1 |
[squeeze] - php5 <no-dsa> (Too intrusive to backport)
https://bugs.php.net/bug.php?id=70219
https://www.openwall.com/lists/oss-security/2015/09/07/5
Fixed in 5.5.45 and 5.6.13