CVE-2014-1500

NONECVSS 0.0Trending — 4 sources updated this week

0.0

Mozilla Firefox before 28.0 and SeaMonkey before 2.25 allow remote attackers to cause a denial of service (resource consumption and application hang) via onbeforeunload events that trigger background JavaScript execution.

CVSS v3: —
EG Score: 0.0(none)
EPSS: 84.9%
KEV: Not listed

Published

March 19, 2014

Last Modified

May 6, 2026

References (16)

security@mozillahttp://lists.opensuse.org/opensuse-security-announce/2014-03/msg00016.html
security@mozillahttp://lists.opensuse.org/opensuse-security-announce/2014-03/msg00017.html
security@mozillahttp://lists.opensuse.org/opensuse-security-announce/2014-03/msg00022.html
security@mozillahttp://lists.opensuse.org/opensuse-security-announce/2014-04/msg00016.html
security@mozillahttp://www.mozilla.org/security/announce/2014/mfsa2014-20.html
security@mozillahttp://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
security@mozillahttps://bugzilla.mozilla.org/show_bug.cgi?id=956524
security@mozillahttps://security.gentoo.org/glsa/201504-01
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00016.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00017.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00022.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00016.html
af854a3a-2127-422b-91ae-364da2661108http://www.mozilla.org/security/announce/2014/mfsa2014-20.html
af854a3a-2127-422b-91ae-364da2661108http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.mozilla.org/show_bug.cgi?id=956524

Patch Availability(1)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	firefox (28.0+build2-0ubuntu0.13.10.1) @ saucy	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.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-400Uncontrolled Resource Consumption (Denial of Service)

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

UbuntuUSN-2150-1LOW
Firefox vulnerabilities

Data Freshness Timeline

(refreshed 16× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:10 UTCepss_batch
2026-06-02 20:10 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-28 19:53 UTCEG score recompute
2026-05-28 19:53 UTCVendor advisory
2026-05-28 19:53 UTCGHSA enrichment
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 13:41 UTCepss_batch

Frequently asked(4)

What is CVE-2014-1500?

CVE-2014-1500 is a none vulnerability published on March 19, 2014. Mozilla Firefox before 28.0 and SeaMonkey before 2.25 allow remote attackers to cause a denial of service (resource consumption and application hang) via onbeforeunload events that trigger background JavaScript execution.

When was CVE-2014-1500 disclosed?

CVE-2014-1500 was first published in the National Vulnerability Database on March 19, 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-2014-1500 actively exploited?

CVE-2014-1500 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 84.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2014-1500?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2014-1500, 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.

Dependency Blast Radius

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CVE-2014-1500

Published

Last Modified

References (16)

Patch Availability(1)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2014-1500?

Same vendor

Same CWE

CVE-2014-1500

📅 Published

🔄 Last Modified

🔗 References (16)

Patch Availability(1)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2014-1500?

🔗 Related CVEs(same vendor + same CWE)

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References (16)

Frequently asked(4)

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