Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 30.0 allow remote attackers to cause a denial of servi…

published 2014-06-11 12 y ago modified 2026-06-17 4 mo ago also EUVD-2014-1610

cvss: 10.0; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 6.0%; EPSS 6.0% chance of exploitation in 30 days, percentile 93%
public exploits: 0; none known

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 30.0 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.

Patch / fix

distros 2

ubuntu opensuse

firefox Ubuntu 14.04 LTS 30.0+build1-0ubuntu0.14.04.3

ubuntu advisories UBUNTU-CVE-2014-1534

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

MozillaFirefox openSUSE Tumbleweed 50.1.0-1.1
MozillaThunderbird openSUSE Tumbleweed 45.5.1-1.1

opensuse advisories openSUSE-SU-2024:10071-1 openSUSE-SU-2024:10230-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2014-1534 updated 2026-11-04 cvss 6.8

Mozilla: Miscellaneous memory safety hazards (rv:30.0) (MFSA 2014-48)

Red Hat Enterprise Linux 5 firefox, thunderbird Red Hat Enterprise Linux 6 firefox, thunderbird
not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

5.98% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	2.0	10.0	AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness

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

References

lists.opensuse.org /opensuse-updates/2014-06/msg00040.html
vendor-advisory
lists.opensuse.org /opensuse-security-announce/2014-06/msg00023.html
vendor-advisory
lists.opensuse.org /opensuse-updates/2014-07/msg00001.html
vendor-advisory
lists.opensuse.org /opensuse-security-announce/2014-06/msg00019.html
vendor-advisory
security.gentoo.org /glsa/201504-01
vendor-advisory
lists.opensuse.org /opensuse-updates/2014-07/msg00004.html
vendor-advisory
ubuntu.com /usn/USN-2243-1
vendor-advisory
mozilla.org /security/announce/2014/mfsa2014-48.html
vendor-advisory
secunia.com /advisories/59229
third-party-advisory
bugzilla.mozilla.org /show_bug.cgi?id=1000960
bugzilla.mozilla.org /show_bug.cgi?id=1000598
secunia.com /advisories/59387
third-party-advisory
bugzilla.mozilla.org /show_bug.cgi?id=996536
securitytracker.com /id/1030388
vdb-entry
bugzilla.mozilla.org /show_bug.cgi?id=973874
secunia.com /advisories/59052
third-party-advisory
secunia.com /advisories/59866
third-party-advisory
oracle.com /technetwork/topics/security/bulletinapr2016-2952098.html
bugzilla.mozilla.org /show_bug.cgi?id=995817
bugzilla.mozilla.org /show_bug.cgi?id=1007223
secunia.com /advisories/59377
third-party-advisory
bugzilla.mozilla.org /show_bug.cgi?id=995816
securitytracker.com /id/1030386
vdb-entry
bugzilla.mozilla.org /show_bug.cgi?id=990868
bugzilla.mozilla.org /show_bug.cgi?id=969549
secunia.com /advisories/59425
third-party-advisory
bugzilla.mozilla.org /show_bug.cgi?id=978652
secunia.com /advisories/59171
third-party-advisory
bugzilla.mozilla.org /show_bug.cgi?id=969517
bugzilla.mozilla.org /show_bug.cgi?id=1005578
secunia.com /advisories/59486
third-party-advisory
securityfocus.com /bid/67964
vdb-entry
bugzilla.mozilla.org /show_bug.cgi?id=1002340

Sources

CVE List CVE-2014-1534
NVD CVE-2014-1534

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary