CVE-2023-27985

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-03-09 · updated 2026-06-17
Weakness: CWE-78

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

Affected products

GNU Emacs: from 28.1 through 28.2

References

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

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