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Vulnerability record · CVE-2023-27985 · published 9 March 2023

CVE-2023-27985: Gnu emacs os command injection vulnerability

Gnu · Emacs

emacsclient-mail.desktop in Emacs 28.1 through 28.2 is vulnerable to shell command injections through a crafted mailto: URI. This is related to lack of compliance with the Desktop Entry Specification. It is fixed in 29.0.90

7.8 CVSS 3.1 High EPSS 1.1% · top 36.0% CWE-78 · OS command injection
7.8CVSS 3.1 base score
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References
17 Jun 2026Last modified by NVD

Description

emacsclient-mail.desktop in Emacs 28.1 through 28.2 is vulnerable to shell command injections through a crafted mailto: URI. This is related to lack of compliance with the Desktop Entry Specification. It is fixed in 29.0.90

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://git.savannah.gnu.org/cgit/emacs.git/commit/?h=emacs-29&id=d32091199ae5de590a83f1542a01d75fba000467 Issue TrackingPatch
http://www.openwall.com/lists/oss-security/2023/03/09/1 Mailing ListPatch
https://debbugs.gnu.org/cgi/bugreport.cgi?bug=60204 Issue TrackingPatch
https://www.gabriel.urdhr.fr/2023/06/08/emacsclient-mail-shell-elisp-injections/
https://www.openwall.com/lists/oss-security/2023/03/08/2 Mailing ListPatch
http://git.savannah.gnu.org/cgit/emacs.git/commit/?h=emacs-29&id=d32091199ae5de590a83f1542a01d75fba000467 Issue TrackingPatch
http://www.openwall.com/lists/oss-security/2023/03/09/1 Mailing ListPatch
https://debbugs.gnu.org/cgi/bugreport.cgi?bug=60204 Issue TrackingPatch
https://www.gabriel.urdhr.fr/2023/06/08/emacsclient-mail-shell-elisp-injections/
https://www.openwall.com/lists/oss-security/2023/03/08/2 Mailing ListPatch

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-27985), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.