What is CVE-2015-2716?

CVE-2015-2716 is a vulnerability in Mozilla Firefox, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2015-05-14.

Is CVE-2015-2716 known to be exploited?

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

Buffer overflow in Mozilla Firefox

CVE-2015-2716

Buffer overflow in the XML parser in Mozilla Firefox before 38.0, Firefox ESR 31.x before 31.7, and Thunderbird before 31.7 allows remote attackers to execute arbitrary code by providing a large amount of compressed XML data, a related issue to CVE-2015-1283.

Vulnerability class: Buffer Overflow

Published 2015-05-14 · last modified 2026-06-17.

CVSS v2 metric

CVSS v2 base score 7.5 (High). Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.072 (94.1th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 94.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.074 · newest: 0.072 · change: -0.002

Affected products

Mozilla Firefox — versions 31.0, 31.1.0, 31.1.1
Mozilla Firefox Esr — versions 31.1, 31.2, 31.3
Mozilla Thunderbird
Novell SUSE Linux Enterprise Desktop — versions 12.0
Novell SUSE Linux Enterprise Server — versions 12.0
Novell SUSE Linux Enterprise Software Development Kit — versions 12.0
Oracle Solaris — versions 11.3
openSUSE — versions 13.1, 13.2

Weakness classification (CWE)

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

Public proof-of-concept exploits

References

www.ubuntu.com/usn/USN-2602-1 (vendor-advisory)
rhn.redhat.com/errata/RHSA-2015-0988.html (vendor-advisory)
www.tenable.com/security/tns-2016-20
www.mozilla.org/en-US/security/known-vulnerabilities/thunderbird/
www.securityfocus.com/bid/74611 (vdb-entry)
lists.opensuse.org/opensuse-security-announce/2015-05/msg00012.html (vendor-advisory)
www.debian.org/security/2015/dsa-3264 (vendor-advisory)
www.debian.org/security/2015/dsa-3260 (vendor-advisory)
lists.opensuse.org/opensuse-security-announce/2015-06/msg00000.html (vendor-advisory)
hg.mozilla.org/releases/mozilla-esr31/rev/2f3e78643f5c

Frequently asked questions

What is CVE-2015-2716?: CVE-2015-2716 is a vulnerability in Mozilla Firefox, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2015-05-14.
Is CVE-2015-2716 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.