CVSS 3.0
9.8 criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVE-2017-12933
Critical (9.8) in php php. EPSS 6.9% chance of exploitation in the next 30 days.
The finish_nested_data function in ext/standard/var_unserializer.re in PHP before 5.6.31, 7.0.x before 7.0.21, and 7.1.x before 7.1.7 is prone to a buffer over-read while unserializing untrusted data. Exploitation of this issue can have an unspecified impact on the integrity of PHP.
Severity
- EPSS
- 6.9% chance of exploitation in the next 30 days; higher than 94% of CVEs (scores of 2026-11-01)
- CWE
- CWE-125
- Published
- Modified
- Record from
- the NVD, synced