CVE-2014-3597

Severity: medium (CVSS 6.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 15.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2014-08-23 · updated 2026-06-17
Weakness: CWE-119

Description

Multiple buffer overflows in the php_parserr function in ext/standard/dns.c in PHP before 5.4.32 and 5.5.x before 5.5.16 allow remote DNS servers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted DNS record, related to the dns_get_record function and the dn_expand function. NOTE: this issue exists because of an incomplete fix for CVE-2014-4049.

Affected products

PHP: through 5.4.31; 5.4.0, 5.4.0-beta2, 5.4.0-rc2, 5.4.1, 5.4.2, 5.4.3 (+60)

References

http://lists.apple.com/archives/security-announce/2015/Apr/msg00001.html
http://lists.opensuse.org/opensuse-updates/2014-09/msg00024.html
http://lists.opensuse.org/opensuse-updates/2014-09/msg00055.html
http://php.net/ChangeLog-5.php
http://rhn.redhat.com/errata/RHSA-2014-1326.html
http://rhn.redhat.com/errata/RHSA-2014-1327.html
http://rhn.redhat.com/errata/RHSA-2014-1765.html
http://rhn.redhat.com/errata/RHSA-2014-1766.html
http://secunia.com/advisories/60609
http://secunia.com/advisories/60696
http://www.debian.org/security/2014/dsa-3008
http://www.oracle.com/technetwork/topics/security/bulletinjan2015-2370101.html

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