SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2010-4697

Use-after-free vulnerability in the Zend engine in PHP before 5.2.15 and 5.3.x before 5.3.4 might allow context-dependent attackers to cause a denial of service (heap memory corruption) or have unspecified other impact via vectors related to use of…

MEDIUM 6.8EPSS 2.27%

Does this matter?

Lower severity and a low EPSS score (2.27%). Track it; it rarely justifies an emergency change on its own.

Description

Use-after-free vulnerability in the Zend engine in PHP before 5.2.15 and 5.3.x before 5.3.4 might allow context-dependent attackers to cause a denial of service (heap memory corruption) or have unspecified other impact via vectors related to use of __set, __get, __isset, and __unset methods on objects accessed by a reference.

CVSS 2.0
6.8 MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
EPSS
2.27% probability · 83th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-399
Affected
php/php
Source
cve@mitre.org
EPSS trend
0%3%5%26 October 2026: 2.27%26 October 202626 October 2026

EPSS 2.3% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.