CVE-2014-1534

CVE-2014-1534 is a critical-severity vulnerability in Mozilla Firefox with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

• Severity: Critical (CVSS 2.0 base score 10.0)
• EPSS exploit prediction: 6% (92nd percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-119
• Affected product: Mozilla Firefox
• Published: 2014-06-11
• Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2014-1534?

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.

How severe is CVE-2014-1534?

CVE-2014-1534 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2014-1534 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-1534?

CVE-2014-1534 affects Mozilla Firefox. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2014-1534?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2014-1534 published?

CVE-2014-1534 was published on 2014-06-11 and last updated on 2026-06-17.

References

• http://lists.opensuse.org/opensuse-security-announce/2014-06/msg00019.html
• http://lists.opensuse.org/opensuse-security-announce/2014-06/msg00023.html
• http://lists.opensuse.org/opensuse-updates/2014-06/msg00040.html
• http://lists.opensuse.org/opensuse-updates/2014-07/msg00001.html
• http://lists.opensuse.org/opensuse-updates/2014-07/msg00004.html
• http://secunia.com/advisories/59052
• http://secunia.com/advisories/59171
• http://secunia.com/advisories/59229
• http://secunia.com/advisories/59377
• http://secunia.com/advisories/59387
• http://secunia.com/advisories/59425
• http://secunia.com/advisories/59486
• http://secunia.com/advisories/59866
• http://www.mozilla.org/security/announce/2014/mfsa2014-48.html
• http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
• http://www.securityfocus.com/bid/67964
• http://www.securitytracker.com/id/1030386
• http://www.securitytracker.com/id/1030388
• http://www.ubuntu.com/usn/USN-2243-1
• https://bugzilla.mozilla.org/show_bug.cgi?id=1000598
• https://bugzilla.mozilla.org/show_bug.cgi?id=1000960
• https://bugzilla.mozilla.org/show_bug.cgi?id=1002340
• https://bugzilla.mozilla.org/show_bug.cgi?id=1005578
• https://bugzilla.mozilla.org/show_bug.cgi?id=1007223
• https://bugzilla.mozilla.org/show_bug.cgi?id=969517
• https://bugzilla.mozilla.org/show_bug.cgi?id=969549
• https://bugzilla.mozilla.org/show_bug.cgi?id=973874
• https://bugzilla.mozilla.org/show_bug.cgi?id=978652
• https://bugzilla.mozilla.org/show_bug.cgi?id=990868
• https://bugzilla.mozilla.org/show_bug.cgi?id=995816

Affected products (1)

• cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

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