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Vulnerability · Published Mar 9, 2023 · Assigned by mitre

CVE-2023-27986

High 7.8

In plain English

A high-severity code injection in the emacs package (Alpine). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 41% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.5%top 59.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20emacs28.2-r6ALPINE-CVE-2023-27986
Alpine:v3.21emacs28.2-r6ALPINE-CVE-2023-27986
Alpine:v3.22emacs28.2-r6ALPINE-CVE-2023-27986
Alpine:v3.23emacs28.2-r6ALPINE-CVE-2023-27986
Alpine:v3.24emacs28.2-r6ALPINE-CVE-2023-27986
Debian:12emacs1:28.2+1-13DEBIAN-CVE-2023-27986
Debian:13emacs1:28.2+1-13DEBIAN-CVE-2023-27986
Debian:14emacs1:28.2+1-13DEBIAN-CVE-2023-27986
Ubuntu:22.04:LTSxemacs21no fix listedUBUNTU-CVE-2023-27986
Ubuntu:24.04:LTSxemacs21no fix listedUBUNTU-CVE-2023-27986
Ubuntu:25.10xemacs21no fix listedUBUNTU-CVE-2023-27986
Ubuntu:26.04:LTSxemacs21no fix listedUBUNTU-CVE-2023-27986
Ubuntu:26.10xemacs21no fix listedUBUNTU-CVE-2023-27986
Ubuntu:22.04:LTSxemacs21-packagesno fix listedUBUNTU-CVE-2023-27986
Ubuntu:24.04:LTSxemacs21-packagesno fix listedUBUNTU-CVE-2023-27986
Ubuntu:25.10xemacs21-packagesno fix listedUBUNTU-CVE-2023-27986
Ubuntu:26.04:LTSxemacs21-packagesno fix listedUBUNTU-CVE-2023-27986
Ubuntu:26.10xemacs21-packagesno fix listedUBUNTU-CVE-2023-27986

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

Weakness: CWE-94 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References