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CVE-2023-27986

Date: March 8, 2023

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.

Language: EMACS_LISP

Severity Score

Related Resources (7)

http://git.savannah.gnu.org/cgit/emacs.git/commit/?h=emacs-29&id=3c1693d08b0a71d40a77e7b40c0ebc42dca2d2cc
https://www.openwall.com/lists/oss-security/2023/03/08/2
https://www.gabriel.urdhr.fr/2023/06/08/emacsclient-mail-shell-elisp-injections/
http://www.openwall.com/lists/oss-security/2023/03/09/1
https://nvd.nist.gov/vuln/detail/CVE-2023-27986
https://security-tracker.debian.org/tracker/CVE-2023-27986
https://www.mend.io/vulnerability-database/CVE-2023-27986

Severity Score

Weakness Type (CWE)

Improper Control of Generation of Code ('Code Injection')

CWE-94

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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