CVE-2014-3423

lisp/net/browse-url.el in GNU Emacs 24.3 and earlier allows local users to overwrite arbitrary...

3.3 Low

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.

Exploit likelihood

0.35%Down 0.6 points since Feb 4, 2022

What each source reports

NVD Score used 3.3

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.

Record: CVE-2014-3423
CVSS 2.0: 3.3 LowAV:L/AC:M/Au:N/C:N/I:P/A:P
Weakness: CWE-59
Updated: 2026-11-02

CVE List No score

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.

Record: CVE-2014-3423
Updated: 2026-11-02

EUVDEUVD-2014-3436 No score

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.

Record: EUVD-2014-3436
Updated: 2026-11-03

GitHub AdvisoriesGHSA-qr4g-ghx2-6476 No score

lisp/net/browse-url.el in GNU Emacs 24.3 and earlier allows local users to overwrite arbitrary...

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.

Record: GHSA-qr4g-ghx2-6476
Weakness: CWE-59
Updated: 2026-11-02

OSVMGASA-2014-0250 No score

Updated emacs packages fix CVE-2014-3421-4

Updated emacs packages fix security vulnerabilities:

Steve Kemp discovered multiple temporary file handling issues in Emacs. A local attacker could use these flaws to perform symbolic link attacks against users running Emacs (CVE-2014-3421, CVE-2014-3422, CVE-2014-3423, CVE-2014-3424).

Record: MGASA-2014-0250
Updated: 2026-11-02

OSVopenSUSE-SU-2024:10469-1 No score

emacs-25.1-1.1 on GA media

These are all security issues fixed in the emacs-25.1-1.1 package on the GA media of openSUSE Tumbleweed.

Record: openSUSE-SU-2024:10469-1
Updated: 2026-11-02

OSVSUSE-SU-2015:0834-1 No score

Security update for emacs

Emacs has been updated to fix the following issues:

* Several cases of insecure usage of temporary files. (CVE-2014-3421,
  CVE-2014-3422, CVE-2014-3423, CVE-2014-3424)
* Use of vc-annotate for renamed files when using Git. (bnc#854683)

Security Issues:

* CVE-2014-3421
  <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3421>
* CVE-2014-3422
  <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3422>
* CVE-2014-3423
  <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3423>
* CVE-2014-3424
  <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3424>

Record: SUSE-SU-2015:0834-1
Updated: 2026-11-02

OSVUBUNTU-CVE-2014-3423 No score

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.

Record: UBUNTU-CVE-2014-3423
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`emacs` Mageia:3 From an advisory covering 4 CVEs	before 24.2-5.1.mga3	24.2-5.1.mga3
`emacs` Mageia:4 From an advisory covering 4 CVEs	before 24.3-4.1.mga4	24.3-4.1.mga4
`emacs` openSUSE:Tumbleweed From an advisory covering 6 CVEs	before 25.1-1.1	25.1-1.1

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	affected
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2014-3423 is a low vulnerability (CVSS 3.3) in Gnu Emacs, published May 8, 2014. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.35%, the 29th percentile. No source names a fixed version.

References

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