Vulnerability Details CVE-2016-4543
The exif_process_IFD_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 IFD sizes, which allows remote attackers to cause a denial of service (out-of-bounds read) or possibly have unspecified other impact via crafted header data.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.017
EPSS Ranking 81.4%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 7.5