CVE-2023-27985

emacs: Shell command injection via a crafted mailto URI

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Severity

Important

Red Hat Product Security

7.8

CVSS 3.1

Review impact separately from score.

Published · March 8, 2023

Updated · November 21, 2025

Description

A flaw was found in the Emacs text editor. When opened with emacsclient-mail.desktop, a crafted mailto URI can result in shell command injection due to lack of compliance with the Desktop Entry Specification.

Statement

The emacsclient-mail.desktop file is not distributed in Red Hat Enterprise Linux 6, 7, 8 and 9. Therefore, Red Hat Enterprise Linux is not affected by this flaw.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 7.8
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE-77 · Improper Neutralization of Special Elements used in a Command ('Command Injection')