CyberRota Analysis
This is a critical severity vulnerability with a CVSS score of 9.8. It may be remotely exploitable. It may lead to a denial-of-service condition.
CVE
CVE-2016-4544
Severity
CRITICAL
CVSS
9.8
EPSS
6.69%
Original NVD Description
The exif_process_TIFF_in_JPEG function in ext/exif/exif.c in PHP before 5.5.35, 5.6.x before 5.6.21, and 7.x before 7.0.6 does not validate TIFF start data, which allows remote attackers to cause a denial of service (out-of-bounds read) or possibly have unspecified other impact via crafted header data.