A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 ESM
Several security issues were fixed in PHP.
- php5: HTML-embedded scripting language interpreter
USN-3766-1 fixed a vulnerability in PHP. This update provides
the corresponding update for Ubuntu 12.04 ESM.
Original advisory details:
It was discovered that PHP incorrectly handled certain exif tags in
JPEG images. A remote attacker could possibly use this issue to cause
PHP to crash, resulting in a denial of service.
The problem can be corrected by updating your system to the following