PT-2026-47589

Summary Netty's DNS resolver uses a predictable PRNG for generating DNS transaction IDs and defaults to a static UDP source port. This combination reduces the entropy of DNS queries, enabling DNS Cache Poisoning Kaminsky attack. Details Two factors contribute to this vulnerability in...

Important: docker

Issue Overview: When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash. CVE-2026-33811 When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames if it receives a...

[slackware-security] rsync

New rsync packages are available for Slackware 15.0 and -current to fix security issues. Here are the details from the Slackware 15.0 ChangeLog: patches/packages/rsync-3.4.3-i586-1slack15.0.txz: Upgraded. This update fixes security issues: TOCTOU symlink race condition allowing local privilege...

kernel: keys: Fix linking a duplicate key to a keyring's assoc_array

A race condition was found in the Linux kernel's keyring subsystem. When concurrent DNS queries resolve the same hostname, a duplicate index key can be created in the keyring's assocarray. The assocarray implementation has a BUGON check that detects this invalid state, causing a kernel crash. Thi...