Is CVE-2014-4049 being actively exploited?

CVE-2014-4049 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2014-4049?

CVE-2014-4049 has a CVSS 2.0 base score of 5.1 (MEDIUM).

CVE-2014-4049

MEDIUM · CVSS 5.1EPSS 10.9%EU EUVD

Heap-based buffer overflow in the php_parserr function in ext/standard/dns.c in PHP 5.6.0beta4 and earlier allows remote servers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted DNS TXT record, related to the dns_get_record function.

Key facts

CVSS score: 5.1 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:H/Au:N/C:P/I:P/A:P
Weakness (CWE): CWE-119
EPSS score: 10.9% (96th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2014-3980)
Published: June 18, 2014
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2014-3980 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

debian / debian linux
debian / debian linux
opensuse / opensuse
php / php
php / php
php / php
php / php
php / php
php / php
php / php
php / php
php / php

References

http://lists.apple.com/archives/security-announce/2015/Apr/msg00001.html(Mailing List, Third Party Advisory)
http://lists.opensuse.org/opensuse-security-announce/2014-07/msg00001.html(Mailing List, Third Party Advisory)
http://lists.opensuse.org/opensuse-security-announce/2014-07/msg00002.html(Mailing List, Third Party Advisory)
http://lists.opensuse.org/opensuse-updates/2014-06/msg00051.html(Mailing List, Third Party Advisory)
http://lists.opensuse.org/opensuse-updates/2014-07/msg00032.html(Mailing List, Third Party Advisory)
http://marc.info/?l=bugtraq&m=141017844705317&w=2(Mailing List, Third Party Advisory)
http://rhn.redhat.com/errata/RHSA-2014-1765.html(Third Party Advisory)
http://rhn.redhat.com/errata/RHSA-2014-1766.html(Third Party Advisory)
http://secunia.com/advisories/59270(Third Party Advisory)
http://secunia.com/advisories/59329(Third Party Advisory)
http://secunia.com/advisories/59418(Third Party Advisory)
http://secunia.com/advisories/59496(Third Party Advisory)
http://secunia.com/advisories/59513(Third Party Advisory)
http://secunia.com/advisories/59652(Third Party Advisory)
http://secunia.com/advisories/60998(Third Party Advisory)
http://support.apple.com/kb/HT6443(Third Party Advisory)
http://www-01.ibm.com/support/docview.wss?uid=swg21683486(Third Party Advisory)
http://www.debian.org/security/2014/dsa-2961(Third Party Advisory)
http://www.openwall.com/lists/oss-security/2014/06/13/4(Mailing List, Third Party Advisory)
http://www.oracle.com/technetwork/topics/security/bulletinjan2015-2370101.html(Third Party Advisory)
http://www.securityfocus.com/bid/68007(Third Party Advisory, VDB Entry)
http://www.securitytracker.com/id/1030435(Third Party Advisory, VDB Entry)
https://bugzilla.redhat.com/show_bug.cgi?id=1108447(Issue Tracking)
https://github.com/php/php-src/commit/b34d7849ed90ced9345f8ea1c59bc8d101c18468(Patch, Third Party Advisory)
https://support.apple.com/HT204659(Third Party Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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