Out-of-bounds read vulnerability in exif_process_IFD_in_JPEG function in PHP

Out-of-bounds read vulnerability in exif_process_IFD_in_JPEG function in PHP

CVE-2016-4543 · HIGH Severity

AV:N/AC:L/AU:N/C:P/I:P/A:P

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.

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