CVE-2014-3423

NONECVSS 0.0
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 0%CVSS: —Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

lisp/net/browse-url.el in GNU Emacs 24.3 and earlier allows local users to overwrite arbitrary files via a symlink attack on a /tmp/Mosaic.##### temporary file.

CVSS v3
—
EG Score
0.0(none)
EPSS
26.4%
KEV
Not listed

Published

May 8, 2014

Last Modified

May 6, 2026

References (10)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 9× in last 7d / 38× 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.

  1. 2026-07-07 13:42 UTCEPSS rescore
  2. 2026-07-06 16:24 UTCEPSS rescore
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  1. 2026-06-18 17:49 UTCEPSS rescore
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  23. 2026-06-02 20:10 UTCEPSS rescore
  24. 2026-06-01 13:49 UTCEPSS rescore
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  26. 2026-05-31 22:28 UTCEPSS rescore
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  31. 2026-05-28 19:05 UTCEG score recompute
  32. 2026-05-28 19:05 UTCGHSA enrichment
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  41. 2026-05-22 21:15 UTCEPSS rescore
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  44. 2026-05-21 22:39 UTCEPSS rescore
  45. 2026-05-20 22:37 UTCEPSS rescore
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  48. 2026-05-20 11:21 UTCEPSS rescore
  49. 2026-05-20 11:21 UTCEPSS rescore
  50. 2026-05-18 21:29 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(4)

What is CVE-2014-3423?
CVE-2014-3423 is a none vulnerability published on May 8, 2014. lisp/net/browse-url.el in GNU Emacs 24.3 and earlier allows local users to overwrite arbitrary files via a symlink attack on a /tmp/Mosaic.##### temporary file.
When was CVE-2014-3423 disclosed?
CVE-2014-3423 was first published in the National Vulnerability Database on May 8, 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-2014-3423 actively exploited?
CVE-2014-3423 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 26.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2014-3423?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2014-3423, 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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