An openconnect security update has been released for Arch Linux to address an arbitrary code execution issue.

ASA-202005-11: openconnect: arbitrary code execution

Arch Linux Security Advisory ASA-202005-11
=========================================
Severity: Low
Date : 2020-05-19
CVE-ID : CVE-2020-12823
Package : openconnect
Type : arbitrary code execution
Remote : No
Link :   https://security.archlinux.org/AVG-1157

Summary
======
The package openconnect before version 1:8.10-1 is vulnerable to
arbitrary code execution.

Resolution
=========
Upgrade to 1:8.10-1.

# pacman -Syu "openconnect>=1:8.10-1"

The problem has been fixed upstream in version 8.10.

Workaround
=========
None.

Description
==========
OpenConnect 8.09 has a buffer overflow in get_cert_name in gnutls.c,
causing a denial of service (application crash) or possibly unspecified
other impact, via crafted data in a local certificate.

Impact
=====
An attacker can cause the application to crash, or possibly execute
arbitrary code, by tricking a user into using a specially crafted
certificate.

References
=========
  https://gitlab.com/openconnect/openconnect/-/merge_requests/108
  https://security.archlinux.org/CVE-2020-12823