Description
Integer overflow in the SplFileObject::fread function in spl_directory.c in the SPL extension in PHP before 5.5.37 and 5.6.x before 5.6.23 allows remote attackers to cause a denial of service or possibly have unspecified other impact via a large integer argument, a related issue to CVE-2016-5096.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 8 | php5 | 5.6.23+dfsg-0+deb8u1 | DSA-3618-1 |
| Debian 7 | php5 | 5.4.45-0+deb7u5 | DLA-628-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 2 | rh-php56 +2 | 2.3-1.el6 | RHSA-2016:2750 |
| RHEL 2 | rh-php56-php +27 | 5.6.25-1.el6 | RHSA-2016:2750 |
| RHEL 2 | rh-php56-php-pear | 1:1.9.5-4.el6 | RHSA-2016:2750 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP1 | php5 | 5.5.14-68.1 | SUSE-SU-2016:1842-1 |
| SLES 12 | php5 | 5.5.14-68.1 | SUSE-SU-2016:1842-1 |
Advisories 4
- RHSA-2016:2750 Red Hat Security Advisory: rh-php56 security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Aug 5, 2026
- DLA-628-1 php5 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3618-1 php5 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2016:1842-1 Security update for php5 SUSE / openSUSE Security Updates · Feb 4, 2026
References
- APPLE-SA-2016-09-20 vendor-advisory
- openSUSE-SU-2016:1761 vendor-advisory
- openSUSE-SU-2016:1922 vendor-advisory
- http://github.com/php/php-src/commit/7245bff300d3fa8bacbef7897ff080a6f1c23eba?w=1
- RHSA-2016:2750 vendor-advisory
- 91403 vdb-entry
- http://php.net/ChangeLog-5.php
- [oss-security] 20160623 Re: CVE for PHP 5.5.37 issues mailing-list
- DSA-3618 vendor-advisory
- https://bugs.php.net/bug.php?id=72262
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731
- https://support.apple.com/HT207170