SUSE-SU-2026:21757-1 Security update for libarchive

This update for libarchive fixes the following issues - CVE-2026-4111: logical deadlock the RAR5 filter subsystem and the half-window output limiter leads to infinite loop and DoS bsc1259635. - CVE-2026-4424: 257-byte heap memory leak when processing a 170-byte RAR3 bsc1259928. - CVE-2026-4426:...