CVE-2015-4602
9.8
CRITICAL · CVSS 3.0 · EPSS 10.7% (pctl 96)
Patch early
EPSS 10.7% — above the 10% action threshold.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 10.67% — more likely to be exploited than 96% of all CVEs |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2016-05-16 |
| Last modified | 2026-06-17 |
Affected (8)
| Vendor | Product |
|---|---|
| php | php |
| redhat | enterprise linux |
| 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 |
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=69152
- 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
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