CVE-2023-27986

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.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.05%
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.openwall.com/lists/oss-security/2023/03/08/2 patch mailing list
http://git.savannah.gnu.org/cgit/emacs.git/commit/?h=emacs-29&id=3c1693d08b0a71d40a77e7b40c0ebc42dca2d2cc patch issue tracking
http://www.openwall.com/lists/oss-security/2023/03/09/1 patch mailing list
https://www.gabriel.urdhr.fr/2023/06/08/emacsclient-mail-shell-elisp-injections/

Frequently Asked Questions

What is the severity of CVE-2023-27986?
CVE-2023-27986 has been scored as a high severity vulnerability.
How to fix CVE-2023-27986?
To fix CVE-2023-27986, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-27986 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-27986 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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