CVE-2014-1496

MEDIUMNVD 5.55.5—Trending — 3 sources updated this week

5.5

Mozilla Firefox before 28.0, Firefox ESR 24.x before 24.4, Thunderbird before 24.4, and SeaMonkey before 2.25 might allow local users to gain privileges by modifying the extracted Mar contents during an update.

CVSS v3: 5.5
EG Score: 5.5(medium)
EPSS: 19.9%
KEV: Not listed

Published

March 19, 2014

Last Modified

May 6, 2026

Advisory Details (2)

Auto-updated May 7, 2026

⚠️ Active exploitation confirmed. No patch confirmed yet.

generic

Mozilla Products: Multiple vulnerabilities (GLSA 201504-01) — Gentoo security

https://security.gentoo.org/glsa/201504-01

generic🔴 Active Exploitation

925747 - (CVE-2014-1496) Files extracted from Mar file are not locked during update

https://bugzilla.mozilla.org/show_bug.cgi?id=925747

Weakness Classification(1)

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

CWE-269Improper Privilege Management

Data Freshness Timeline

(refreshed 15× 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 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
2026-05-26 07:16 UTCepss_batch

Frequently asked(5)

What is CVE-2014-1496?

CVE-2014-1496 is a medium vulnerability published on March 19, 2014. Mozilla Firefox before 28.0, Firefox ESR 24.x before 24.4, Thunderbird before 24.4, and SeaMonkey before 2.25 might allow local users to gain privileges by modifying the extracted Mar contents during an update.

When was CVE-2014-1496 disclosed?

CVE-2014-1496 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-2014-1496 actively exploited?

CVE-2014-1496 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 19.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2014-1496?

CVE-2014-1496 has a CVSS v3 base score of 5.5 (NVD).

How do I remediate CVE-2014-1496?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2014-1496, 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-2014-1496

📅 Published

🔄 Last Modified

📋 Advisory Details (2)