CVE-2014-3670: PHP

Medium severity, CVSS 6.8. EPSS: 22.6% chance of exploitation in the next 30 days.

The exif_ifd_make_value function in exif.c in the EXIF extension in PHP before 5.4.34, 5.5.x before 5.5.18, and 5.6.x before 5.6.2 operates on floating-point arrays incorrectly, which allows remote attackers to cause a denial of service (heap memory corruption and application crash) or possibly execute arbitrary code via a crafted JPEG image with TIFF thumbnail data that is improperly handled by the exif_thumbnail function.

Affected products

• PHP PHP: up to and including 5.4.33; version 5.4.0 only; version 5.4.1 only; version 5.4.2 only; version 5.4.3 only; version 5.4.4 only; …

Published 2014-10-29. Last modified 2026-06-17.