PT-2023-21468 · Emacs+1 · Emacs+1

Gabriel Corona · Published 2023-03-09 · Updated 2025-03-05 · CVE-2023-27986

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Emacs versions 28.1 through 28.2

Description The issue allows for Emacs Lisp code injections through a crafted mailto: URI with unescaped double-quote characters.

Recommendations For versions 28.1 through 28.2, update to version 29.0.90 or later to resolve the issue.

Fix

Code Injection

Weakness Enumeration

CWE-94

Related Identifiers

ALT-PU-2023-5762

AZL-25603

CVE-2023-27986

OPENSUSE-SU-2024:12777-1

ROSA-SA-2023-2294

Affected Products

Alt Linux

Emacs

References · 19

• https://cve.org/CVERecord?id=CVE-2023-27986 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-27986 · Security Note
• https://openwall.com/lists/oss-security/2023/03/08/2 · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-27986 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2023-27986 · Vendor Advisory
• https://osv.dev/vulnerability/AZL-25603 · Vendor Advisory
• http://git.savannah.gnu.org/cgit/emacs.git/commit/?h=emacs-29&id=3c1693d08b0a71d40a77e7b40c0ebc42dca2d2cc · Patch
• https://ubuntu.com/security/CVE-2023-27986 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-27986 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-27986 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:12777-1 · Vendor Advisory
• http://openwall.com/lists/oss-security/2023/03/09/1 · Patch
• https://suse.com/security/cve/CVE-2023-27985 · Note
• https://suse.com/security/cve/CVE-2023-27986 · Note
• https://t.me/cibsecurity/59721 · Telegram Post