CVE-2026-22045 Traefik's ACME TLS-ALPN fast path lacks timeouts and close on handshake stall

Traefik is an HTTP reverse proxy and load balancer. Prior to 2.11.35 and 3.6.7, there is a potential vulnerability in Traefik ACME TLS certificates' automatic generation: the ACME TLS-ALPN fast path can allow unauthenticated clients to tie up go routines and file descriptors indefinitely when the...

CVE-2026-22045

Summary: CVE-2026-22045 affects Traefik’s ACME TLS-ALPN fast path. When ACME TLS challenge is enabled, an unauthenticated client can open many connections and stall the ClientHello with acme-tls/1, causing goroutines and file descriptors to be tied up indefinitely and leading to DoS at the entryp...

traefik -- ACME TLS-ALPN fast path potential DoS

The traefik project reports: There is a potential vulnerability in Traefik ACME TLS certificates' automatic generation: the ACME TLS-ALPN fast path can allow unauthenticated clients to tie up goroutines and file descriptors indefinitely when the ACME TLS challenge is enabled.A malicious client ca...

OPENSUSE-SU-2025:20158-1 Security update for go1.24

This update for go1.24 fixes the following issues: Update to go1.24.11. Security issues fixed: - CVE-2025-47912: net/url: insufficient validation of bracketed IPv6 hostnames bsc1251257. - CVE-2025-58183: archive/tar: unbounded allocation when parsing GNU sparse map bsc1251261. - CVE-2025-58185:...

Let’s Encrypt to revoke “mis-issued” certificates

If you use a Let’s Encrypt SSL/TLS certificate, you may wish to check your account over the coming days. Revocation is coming, and you’ve only got until tomorrow to figure things out. What’s the deal with free certificates? If you’re running a website, you want to make sure that it’s HTTPs. It...

TLS ALPN Supported Protocol Enumeration

The remote host supports the TLS ALPN extension. This plugin enumerates the protocols the extension supports. TRUSTED...

openSUSE Security Update : openSUSE-2014- (openSUSE-2014--1)

MozillaFirefox was updated to version 31 to fix various security issues and bugs : - MFSA 2014-56/CVE-2014-1547/CVE-2014-1548 Miscellaneous memory safety hazards - MFSA 2014-57/CVE-2014-1549 bmo1020205 Buffer overflow during Web Audio buffering for playback - MFSA 2014-58/CVE-2014-1550 bmo1020411...