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.

Published: 2014-06-11 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2014-1542 is rated Moderate Risk (59.8/100): CVSS Medium severity, with high exploitation likelihood (EPSS 5.30%, 92th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2014-1542

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 4.72% 5.30% +0.58%
2 2025-09-24 2.93% 4.72% +1.79%
3 2025-03-30 — 2.93% —

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-1542

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.6 6.4 [email protected]

Weakness enumeration for CVE-2014-1542

OS Trackers for CVE-2014-1542

vendor priority summary link
gentoo normal CVE-2014-1542: 1 GLSA(s) (201504-01), 7 atom(s) (dev-libs/nspr, mail-client/thunderbird, …); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2014-1542
redhat critical — https://access.redhat.com/security/cve/CVE-2014-1542
suse medium CVE-2014-1542 severity moderate: SUSE including 33 source package names (MozillaFirefox, MozillaFirefox-140.2.0-160000.1.2, …), 83 product×package rows across 29 product lines (HPE Helion OpenStack 8, SUSE Enterprise Storage 6, … (29 product lines)): Known Not Affected 57, Fixed 26. https://www.suse.com/security/cve/CVE-2014-1542/
ubuntu medium CVE-2014-1542 medium priority: Ubuntu including 1 source packages (firefox), 5 status rows across 5 suites (lucid, precise, saucy, trusty, upstream): released 4, ignored 1. https://ubuntu.com/security/CVE-2014-1542

Affected software / configurations for CVE-2014-1542

Vendor Product Version Raw CPE
opensuse opensuse 13.1 cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
opensuse_project opensuse 12.3 cpe:2.3:o:opensuse_project:opensuse:12.3:*:*:*:*:*:*:*
mozilla firefox <= 29.0.1 cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
oracle solaris 11.3 cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:*

References for CVE-2014-1542

URL Tags
http://lists.opensuse.org/opensuse-updates/2014-06/msg00040.html
http://lists.opensuse.org/opensuse-updates/2014-07/msg00001.html Third Party Advisory
http://secunia.com/advisories/59052 Permissions Required
http://secunia.com/advisories/59171 Permissions Required
http://secunia.com/advisories/59387 Permissions Required
http://secunia.com/advisories/59486
http://secunia.com/advisories/59866 Permissions Required
http://www.mozilla.org/security/announce/2014/mfsa2014-53.html Vendor Advisory
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html Third Party Advisory
http://www.securityfocus.com/bid/67968 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1030388 Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-2243-1
https://bugzilla.mozilla.org/show_bug.cgi?id=991533 Issue Tracking
https://security.gentoo.org/glsa/201504-01
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