Medium (5.4). EPSS 4.3% chance of exploitation in the next 30 days.
In PHP versions 7.2.x below 7.2.9, 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while parsing EXIF data with exif_read_data() function, it is possible for malicious data to cause PHP to read one byte of uninitialized memory. This could potentially lead to information disclosure or crash.
Severity
CVSS 3.1
5.4 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L
EPSS
4.3% chance of exploitation in the next 30 days; higher than 91% of CVEs (scores of 2026-10-31)