Use-after-free in exif parsing under memory sanitizer
At a glance
Severity
MEDIUM 4.8
EPSS
EPSS 7.62 % · percentile 95 (2026-10-27)
State
PUBLISHED
Published
Updated
Assigner
php
NVD status
Modified
Description
When PHP EXIF extension is parsing EXIF information from an image, e.g. via exif_read_data() function, in PHP versions 7.2.x below 7.2.26, 7.3.x below 7.3.13 and 7.4.0 it is possible to supply it with data what will cause it to read past the allocated buffer. This may lead to information disclosure or crash.