https://vulnerability.circl.lu/rss/recent/all/10 Most recent entries from all 2026-10-06T21:29:51.137301+00:00 Vulnerability-Lookup info@circl.lu python-feedgen Contains only the most 10 recent entries. https://vulnerability.circl.lu/vuln/cve-2023-46445 CVE-2023-46445 2026-10-06T21:29:51.142127+00:00

An issue in AsyncSSH before 2.14.1 allows attackers to control the extension info message (RFC 8308) via a man-in-the-middle attack, aka a "Rogue Extension Negotiation."

 https://vulnerability.circl.lu/vuln/usn-7108-1 USN-7108-1 — python-asyncssh vulnerabilities 2026-10-06T21:29:51.142248+00:00

Affected: Ubuntu:20.04:LTS: python-asyncssh, Ubuntu:22.04:LTS: python-asyncssh, Ubuntu:Pro:24.04:LTS: python-asyncssh

Fabian Bäumer, Marcus Brinkmann, and Jörg Schwenk discovered that AsyncSSH did not properly handle the extension info message. An attacker able to intercept communications could possibly use this issue to downgrade the algorithm used for client authentication. (CVE-2023-46445)

Fabian Bäumer, Marcus Brinkmann, and Jörg Schwenk discovered that AsyncSSH did not properly handle the user authentication request message. An attacker could possibly use this issue to control the remote end of an SSH client session via packet injection/removal and shell emulation. (CVE-2023-46446)