$ cve CVE-2017-16642 JSON

CVE-2017-16642 EXPLOIT

7.5

HIGH · CVSS 3.0 · EPSS 26.4% (pctl 98)

Patch early

A public exploit exists.

Description

In PHP before 5.6.32, 7.x before 7.0.25, and 7.1.x before 7.1.11, an error in the date extension's timelib_meridian handling of 'front of' and 'back of' directives could be used by attackers able to supply date strings to leak information from the interpreter, related to ext/date/lib/parse_date.c out-of-bounds reads affecting the php_parse_date function. NOTE: this is a different issue than CVE-2017-11145.

Scoring

CVSS	7.5 (HIGH, v3.0)
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS	26.37% — more likely to be exploited than 98% of all CVEs
Weakness	CWE-125
On CISA KEV	no
Public exploit	yes
Published	2017-11-07
Last modified	2026-06-17

Affected (5)

Vendor	Product
canonical	ubuntu linux
debian	debian linux
netapp	clustered data ontap
netapp	storage automation store
php	php

Public exploits

Source	Title	Date
exploit-db	PHP 7.1.8 - Heap Buffer Overflow	2017-11-09

References

→ the Explorer · watch your stack · NVD