What is CVE-2014-1542?

CVE-2014-1542 is a vulnerability in Mozilla Firefox, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2014-06-11.

Is CVE-2014-1542 known to be exploited?

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

Buffer overflow in Mozilla Firefox

CVE-2014-1542

Buffer overflow in the Speex resampler in the Web Audio subsystem in Mozilla Firefox before 30.0 allows remote attackers to execute arbitrary code via vectors related to a crafted AudioBuffer channel count and sample rate.

Vulnerability class: Buffer Overflow

Published 2014-06-11 · last modified 2026-06-17.

CVSS v2 metric

CVSS v2 base score 6.8 (Medium). Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.053 (92.5th percentile), scored 2026-10-22.

Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 92.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.053 · newest: 0.053 · change: 0.000

Affected products

Mozilla Firefox
openSUSE Project — versions 12.3
Oracle Solaris — versions 11.3
openSUSE — versions 13.1

Weakness classification (CWE)

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

Public proof-of-concept exploits

mattfeng/picoctf-2014-solutions

References

lists.opensuse.org/opensuse-updates/2014-06/msg00040.html (vendor-advisory)
secunia.com/advisories/59387 (Permissions Required, third-party-advisory)
www.securitytracker.com/id/1030388 (VDB Entry, Third Party Advisory, vdb-entry)
secunia.com/advisories/59052 (Permissions Required, third-party-advisory)
lists.opensuse.org/opensuse-updates/2014-07/msg00001.html (vendor-advisory, Third Party Advisory)
bugzilla.mozilla.org/show_bug.cgi (Issue Tracking)
security.gentoo.org/glsa/201504-01 (vendor-advisory)
secunia.com/advisories/59866 (Permissions Required, third-party-advisory)
www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html (Third Party Advisory)
www.mozilla.org/security/announce/2014/mfsa2014-53.html (Vendor Advisory)

Frequently asked questions

What is CVE-2014-1542?: CVE-2014-1542 is a vulnerability in Mozilla Firefox, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2014-06-11.
Is CVE-2014-1542 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.