How severe is CVE-2014-3423?

CVE-2014-3423 has a CVSS 2.0 base score of 3.3, rated low severity.

Is CVE-2014-3423 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-3423?

CVE-2014-3423 primarily affects Gnu Emacs. In total, 27 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-3423?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2014-3423 published?

CVE-2014-3423 was published on 2014-05-08 and last updated on 2026-06-17.

CVE-2014-3423

CVE-2014-3423 is a low-severity vulnerability in Gnu Emacs with a CVSS 2.0 base score of 3.3. 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-59.

Key facts

Severity: Low (CVSS 2.0 base score 3.3)
EPSS exploit prediction: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-59
Affected product: Gnu Emacs
Published: 2014-05-08
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2014-3423?: 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.
How severe is CVE-2014-3423?: CVE-2014-3423 has a CVSS 2.0 base score of 3.3, rated low severity.
Is CVE-2014-3423 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-3423?: CVE-2014-3423 primarily affects Gnu Emacs. In total, 27 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-3423?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-3423 published?: CVE-2014-3423 was published on 2014-05-08 and last updated on 2026-06-17.

References

Affected products (27)

cpe:2.3:o:mageia_project:mageia:3:*:*:*:*:*:*:*
cpe:2.3:o:mageia_project:mageia:4:*:*:*:*:*:*:*
cpe:2.3:a:gnu:emacs:*:*:*:*:*:*:*:*
cpe:2.3:a:gnu:emacs:20.0:*:*:*:*:*:*:*
cpe:2.3:a:gnu:emacs:20.1:*:*:*:*:*:*:*
cpe:2.3:a:gnu:emacs:20.2:*:*:*:*:*:*:*
cpe:2.3:a:gnu:emacs:20.3:*:*:*:*:*:*:*
cpe:2.3:a:gnu:emacs:20.4:*:*:*:*:*:*:*
cpe:2.3:a:gnu:emacs:20.5:*:*:*:*:*:*:*
cpe:2.3:a:gnu:emacs:20.6:*:*:*:*:*:*:*
cpe:2.3:a:gnu:emacs:20.7:*:*:*:*:*:*:*
cpe:2.3:a:gnu:emacs:21:*:*:*:*:*:*:*
cpe:2.3:a:gnu:emacs:21.1:*:*:*:*:*:*:*
cpe:2.3:a:gnu:emacs:21.2:*:*:*:*:*:*:*
cpe:2.3:a:gnu:emacs:21.2.1:*:*:*:*:*:*:*
cpe:2.3:a:gnu:emacs:21.3:*:*:*:*:*:*:*
cpe:2.3:a:gnu:emacs:21.3.1:*:*:*:*:*:*:*
cpe:2.3:a:gnu:emacs:21.4:*:*:*:*:*:*:*
cpe:2.3:a:gnu:emacs:22.1:*:*:*:*:*:*:*
cpe:2.3:a:gnu:emacs:22.2:*:*:*:*:*:*:*
cpe:2.3:a:gnu:emacs:22.3:*:*:*:*:*:*:*
cpe:2.3:a:gnu:emacs:23.1:*:*:*:*:*:*:*
cpe:2.3:a:gnu:emacs:23.2:*:*:*:*:*:*:*
cpe:2.3:a:gnu:emacs:23.3:*:*:*:*:*:*:*
cpe:2.3:a:gnu:emacs:23.4:*:*:*:*:*:*:*
cpe:2.3:a:gnu:emacs:24.1:*:*:*:*:*:*:*
cpe:2.3:a:gnu:emacs:24.2:*:*:*:*:*:*:*

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