A lynx security update has been released for Arch Linux.

ASA-202108-9: lynx: information disclosure

Arch Linux Security Advisory ASA-202108-9
========================================
Severity: High
Date : 2021-08-10
CVE-ID : CVE-2021-38165
Package : lynx
Type : information disclosure
Remote : Yes
Link :   https://security.archlinux.org/AVG-2261

Summary
======
The package lynx before version 2.8.9-4 is vulnerable to information
disclosure.

Resolution
=========
Upgrade to 2.8.9-4.

# pacman -Syu "lynx>=2.8.9-4"

The problem has been fixed upstream but no release is available yet.

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

Description
==========
HTParse in Lynx through 2.8.9 mishandles the userinfo subcomponent of a
URI, which allows remote attackers to discover cleartext credentials
because they may appear in SNI data or HTTP headers.

Impact
=====
A remote attacker could retrieve HTTP Basic Authentication credentials.

References
=========
  https://bugs.archlinux.org/task/71764
  https://lists.nongnu.org/archive/html/lynx-dev/2021-08/msg00002.html
  https://lynx.invisible-island.net/current/CHANGES.html#index-v2.9.0dev.9
  https://github.com/archlinux/svntogit-packages/blob/packages/lynx/trunk/CVE-2021-38165.diff
  https://security.archlinux.org/CVE-2021-38165