CLSA-2026-1779378574 dovecot: Fix of 2 CVEs

CVE-2026-42006: lib-imap: fix listcountlimit to actually count open '' instead of close '', preventing an imap-login memory-exhaustion DoS that bypassed the CVE-2026-27857 fix...

CVE-2026-42006

An attacker can cause uncontrolled memory usage with excessive bracing over IMAP. The fix in CVE-2026-27857 was incomplete, only blocking one way of doing this, so there was still another way left open. In particular, the fix was for closing braces, but you could still use open braces to bypass t...

EUVD-2025-32215

Malicious code in bioql PyPI...

CVE-2025-43857 net-imap rubygem vulnerable to possible DoS by memory exhaustion

Net::IMAP implements Internet Message Access Protocol IMAP client functionality in Ruby. Prior to versions 0.5.7, 0.4.20, 0.3.9, and 0.2.5, there is a possibility for denial of service by memory exhaustion when net-imap reads server responses. At any time while the client is connected, a maliciou...