CVE-2014-3669
Integer overflow in the object_custom function in ext/standard/var_unserializer.c in PHP before 5.4.34, 5.5.x before 5.5.18, and 5.6.x before 5.6.2 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 28.9%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
Description
Integer overflow in the object_custom function in ext/standard/var_unserializer.c in PHP before 5.4.34, 5.5.x before 5.5.18, and 5.6.x before 5.6.2 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via an argument to the unserialize function that triggers calculation of a large length value.
- CVSS 2.0
- 7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
- EPSS
- 28.86% probability · 98th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-189
- Affected
- php/php
- Source
- secalert@redhat.com
EPSS 28.9% 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=56754a7f9eba0e4f559b6ca081d9f2a447b3f159
- http://linux.oracle.com/errata/ELSA-2014-1767.html
- http://linux.oracle.com/errata/ELSA-2014-1768.html
- http://lists.apple.com/archives/security-announce/2015/Apr/msg00001.html
- http://lists.opensuse.org/opensuse-updates/2014-11/msg00024.html
- http://lists.opensuse.org/opensuse-updates/2014-11/msg00034.html
- http://lists.opensuse.org/opensuse-updates/2015-01/msg00006.html
- http://php.net/ChangeLog-5.php
- http://rhn.redhat.com/errata/RHSA-2014-1765.html
- http://rhn.redhat.com/errata/RHSA-2014-1766.html
- http://rhn.redhat.com/errata/RHSA-2014-1767.html
- http://rhn.redhat.com/errata/RHSA-2014-1768.html
- http://rhn.redhat.com/errata/RHSA-2014-1824.html
- http://secunia.com/advisories/59967
- http://secunia.com/advisories/60630
- http://secunia.com/advisories/60699
- http://secunia.com/advisories/61763
- http://secunia.com/advisories/61970
- http://secunia.com/advisories/61982
- http://www.debian.org/security/2014/dsa-3064
- http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html
- http://www.securityfocus.com/bid/70611
- http://www.ubuntu.com/usn/USN-2391-1
- https://bugs.php.net/bug.php?id=68044Exploit, Patch, Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1154500
- https://support.apple.com/HT204659
- http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=56754a7f9eba0e4f559b6ca081d9f2a447b3f159
- http://linux.oracle.com/errata/ELSA-2014-1767.html
- http://linux.oracle.com/errata/ELSA-2014-1768.html
- http://lists.apple.com/archives/security-announce/2015/Apr/msg00001.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.