Multiple Updates for sslh Released on June 1, 2026
Severity: Low (Score: 24.9)
Sources: launchpad.net
Published: · Updated:
Keywords: port, sslh, lets, accept, https, openvpn, tinc
Summary
On June 1, 2026, three updates for sslh were published, addressing various versions of the software. The updates include 2.1.4-1ubuntu0.25.10.1, 2.1.4-1ubuntu0.26.04.1, and 1.20-1+deb11u1build0.22.04.1. sslh allows users to accept multiple connection types on port 443, which is often unblocked by corporate firewalls. The updates are crucial for maintaining secure connections and preventing potential misuse of the software. Users of affected versions are advised to update to the latest releases to ensure continued security. No specific vulnerabilities or exploits were detailed in the articles, indicating that these updates may be routine maintenance rather than responses to active threats. The current status of the updates is that they are available for download and installation. Organizations using sslh should prioritize these updates to mitigate any risks associated with outdated versions. Key Points: • Three updates for sslh were released on June 1, 2026. • The updates allow multiple connection types on port 443, enhancing security. • Users are advised to update to the latest versions to maintain secure connections.
Detailed Analysis
**Impact** The updates affect users of sslh across Ubuntu 20.04, 22.04, and Debian 11 distributions. Organizations relying on sslh to multiplex HTTPS, SSH, OpenVPN, tinc, and XMPP connections on port 443 may experience improved stability or security. No specific data breach or operational impact details are provided in the articles. **Technical Details** The articles do not specify any vulnerabilities, attack vectors, or exploited CVEs related to these sslh updates. The releases pertain to versions 2.1.4-1ubuntu0.25.10.1, 2.1.4-1ubuntu0.26.04.1, and 1.20-1+deb11u1build0.22.04.1, indicating maintenance or security patches for sslh’s multiplexing functionality. No indicators of compromise or threat actor TTPs are mentioned. **Recommended Response** Apply the sslh package updates promptly on affected Ubuntu 20.04, 22.04, and Debian 11 systems to ensure the latest fixes are incorporated. Monitor sslh service logs for unusual connection patterns on port 443. In the absence of specific threat indicators, maintain standard network monitoring and firewall rules to detect anomalous multiplexed traffic.
Source articles (3)
- 2.1.4-1ubuntu0.26.04.1 — launchpad.net · 2026-06-01
sslh lets one accept HTTPS, SSH, OpenVPN, tinc and XMPP connections on the same port. This makes it possible to connect to any of these servers on port 443 (e.g. from inside a corporate firewall, whic… - 2.1.4-1ubuntu0.25.10.1 — launchpad.net · 2026-06-01
sslh lets one accept HTTPS, SSH, OpenVPN, tinc and XMPP connections on the same port. This makes it possible to connect to any of these servers on port 443 (e.g. from inside a corporate firewall, whic… - 1.20-1+deb11u1build0.22.04.1 — launchpad.net · 2026-06-01
sslh lets one accept HTTPS, SSH, OpenVPN, tinc and XMPP connections on the same port. This makes it possible to connect to any of these servers on port 443 (e.g. from inside a corporate firewall, whic…
Timeline
- 2026-06-01 — Multiple sslh updates released: Three different versions of sslh were published, addressing various functionalities and ensuring secure connections on port 443.
- 2026-06-01 — Version 2.1.4-1ubuntu0.25.10.1 released: This version of sslh allows HTTPS, SSH, OpenVPN, tinc, and XMPP connections on the same port.
- 2026-06-01 — Version 2.1.4-1ubuntu0.26.04.1 released: Another update of sslh was released on the same day, providing similar functionalities.
- 2026-06-01 — Version 1.20-1+deb11u1build0.22.04.1 released: This version also supports multiple connection types on port 443, enhancing security for users.
Related entities
- Sslh (Tool)