CVE-2015-4602
The __PHP_Incomplete_Class function in ext/standard/incomplete_class.c in PHP before 5.4.40, 5.5.x before 5.5.24, and 5.6.x before 5.6.8 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via an…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 10.3%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.
Description
The __PHP_Incomplete_Class function in ext/standard/incomplete_class.c in PHP before 5.4.40, 5.5.x before 5.5.24, and 5.6.x before 5.6.8 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via an unexpected data type, related to a "type confusion" issue.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 10.26% probability · 96th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- redhat/enterprise linux · php/php · redhat/enterprise linux desktop · redhat/enterprise linux hpc node · redhat/enterprise linux hpc node eus · redhat/enterprise linux server · redhat/enterprise linux server eus · redhat/enterprise linux workstation
- Source
- secalert@redhat.com
EPSS 10.3% since 4 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=fb83c76deec58f1fab17c350f04c9f042e5977d1
- http://php.net/ChangeLog-5.php
- http://rhn.redhat.com/errata/RHSA-2015-1135.html
- http://rhn.redhat.com/errata/RHSA-2015-1186.html
- http://rhn.redhat.com/errata/RHSA-2015-1187.html
- http://rhn.redhat.com/errata/RHSA-2015-1218.html
- http://www.openwall.com/lists/oss-security/2015/06/16/12
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
- http://www.securityfocus.com/bid/75249
- http://www.securitytracker.com/id/1032709
- https://bugs.php.net/bug.php?id=69152Exploit
- http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=fb83c76deec58f1fab17c350f04c9f042e5977d1
- http://php.net/ChangeLog-5.php
- http://rhn.redhat.com/errata/RHSA-2015-1135.html
- http://rhn.redhat.com/errata/RHSA-2015-1186.html
- http://rhn.redhat.com/errata/RHSA-2015-1187.html
- http://rhn.redhat.com/errata/RHSA-2015-1218.html
- http://www.openwall.com/lists/oss-security/2015/06/16/12
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
- http://www.securityfocus.com/bid/75249
- http://www.securitytracker.com/id/1032709
- https://bugs.php.net/bug.php?id=69152Exploit
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.