CVE-2023-27986

HIGH

Emacs 28.1-28.2 - Remote Code Execution via mailto: URI Double-Quote Injection

Title source: llm
STIX 2.1

Description

emacsclient-mail.desktop in Emacs 28.1 through 28.2 is vulnerable to Emacs Lisp code injections through a crafted mailto: URI with unescaped double-quote characters. It is fixed in 29.0.90.

References (4)

Core 4

Scores

CVSS v3 7.8
EPSS 0.0021
EPSS Percentile 42.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-94
Status published
Products (1)
gnu/emacs 28.1 - 28.2
Published Mar 09, 2023
Tracked Since Feb 18, 2026