CVE-2014-1560

NONECVSS 0.0

0.0

Mozilla Firefox before 31.0 and Thunderbird before 31.0 allow remote attackers to cause a denial of service (X.509 certificate parsing outage) via a crafted certificate that does not use ASCII character encoding in a required context.

CVSS v3: —
EG Score: 0.0(none)
EPSS: 68.7%
KEV: Not listed

Published

July 23, 2014

Last Modified

May 6, 2026

References (12)

security@mozillahttp://secunia.com/advisories/60628
security@mozillahttp://www.mozilla.org/security/announce/2014/mfsa2014-65.html
security@mozillahttp://www.securitytracker.com/id/1030619
security@mozillahttp://www.securitytracker.com/id/1030620
security@mozillahttps://bugzilla.mozilla.org/show_bug.cgi?id=997795
security@mozillahttps://security.gentoo.org/glsa/201504-01
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/60628
af854a3a-2127-422b-91ae-364da2661108http://www.mozilla.org/security/announce/2014/mfsa2014-65.html
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1030619
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1030620
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.mozilla.org/show_bug.cgi?id=997795
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/201504-01

Patch Availability(2)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	thunderbird (1:31.0+build1-0ubuntu0.12.04.1) @ precise	2026-05-28	ubuntu
ubuntu	firefox-testsuite (31.0+build1-0ubuntu0.14.04.1) @ trusty	2026-05-28	ubuntu

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Data Freshness Timeline

(refreshed 10× in last 7d / 20× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-08 14:14 UTCEPSS rescore
2026-06-07 15:22 UTCEPSS rescore
2026-06-06 13:45 UTCEPSS rescore
2026-06-06 13:45 UTCEPSS rescore
2026-06-05 22:44 UTCEPSS rescore
2026-06-05 22:44 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-04 13:09 UTCEPSS rescore
2026-06-04 13:09 UTCEPSS rescore
2026-06-02 20:10 UTCEPSS rescore
2026-06-02 20:10 UTCEPSS rescore
2026-06-01 13:49 UTCEPSS rescore
2026-06-01 13:49 UTCEPSS rescore
2026-05-31 22:28 UTCEPSS rescore
2026-05-31 22:28 UTCEPSS rescore
2026-05-31 00:14 UTCEPSS rescore
2026-05-31 00:14 UTCEPSS rescore
2026-05-29 13:41 UTCEPSS rescore
2026-05-29 13:41 UTCEPSS rescore

Frequently asked(4)

What is CVE-2014-1560?

CVE-2014-1560 is a none vulnerability published on July 23, 2014. Mozilla Firefox before 31.0 and Thunderbird before 31.0 allow remote attackers to cause a denial of service (X.509 certificate parsing outage) via a crafted certificate that does not use ASCII character encoding in a required context.

When was CVE-2014-1560 disclosed?

CVE-2014-1560 was first published in the National Vulnerability Database on July 23, 2014, with the most recent update on May 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2014-1560 actively exploited?

CVE-2014-1560 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 68.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2014-1560?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2014-1560, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2014-1560

📅 Published

🔄 Last Modified

🔗 References (12)