What is CVE-2013-6712?

CVE-2013-6712 is a vulnerability in Apple Mac OS X, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2013-11-28.

Is CVE-2013-6712 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Apple Mac OS X

CVE-2013-6712

The scan function in ext/date/lib/parse_iso_intervals.c in PHP through 5.5.6 does not properly restrict creation of DateInterval objects, which might allow remote attackers to cause a denial of service (heap-based buffer over-read) via a crafted interval specification.

Vulnerability class: Buffer Overflow

Published 2013-11-28 · last modified 2026-06-17.

CVSS v2 metric

CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.046 (91.3th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.046 · newest: 0.046 · change: 0.000

Affected products

Apple Mac OS X
PHP
Canonical Ubuntu Linux — versions 10.04, 12.04, 12.10
Debian Linux — versions 6.0, 7.0
openSUSE — versions 11.4, 12.2, 12.3

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

Public proof-of-concept exploits

Live-Hack-CVE/CVE-2013-6712

References

www.debian.org/security/2013/dsa-2816 (vendor-advisory, Third Party Advisory)
h20564.www2.hp.com/hpsc/doc/public/display (vendor-advisory, Third Party Advisory)
support.apple.com/HT204659 (Third Party Advisory)
lists.opensuse.org/opensuse-updates/2013-12/msg00126.html (vendor-advisory, Mailing List, Third Party Advisory)
git.php.net/
lists.apple.com/archives/security-announce/2015/Apr/msg00001.html (vendor-advisory, Mailing List, Third Party Advisory)
lists.opensuse.org/opensuse-updates/2013-12/msg00125.html (vendor-advisory, Mailing List, Third Party Advisory)
rhn.redhat.com/errata/RHSA-2014-1765.html (vendor-advisory, Third Party Advisory)
www.ubuntu.com/usn/USN-2055-1 (vendor-advisory, Third Party Advisory)
bugs.php.net/bug.php (Patch, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2013-6712?: CVE-2013-6712 is a vulnerability in Apple Mac OS X, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2013-11-28.
Is CVE-2013-6712 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.