Update to 1.25.1 (#2480119)

• Fix CVE-2026-33278, Possible remote code execution during DNSSEC validation. Thanks to Qifan Zhang, Palo Alto Networks, for the report.
• Fix CVE-2026-42944, Heap overflow and crash with multiple nsid, cookie, padding EDNS options. Thanks to Qifan Zhang, Palo Alto Networks, for the report.
• Fix CVE-2026-42959, Crash during DNSSEC validation of malicious content. Thanks to Qifan Zhang, Palo Alto Networks, for the report.
• Fix CVE-2026-32792, Packet of death with DNSCrypt. Thanks to Andrew Griffiths from 'calif.io' for the report.
• Fix CVE-2026-40622, "Ghost domain name" variant. Thanks to Qifan Zhang, Palo Alto Networks, for the report.
• Fix CVE-2026-41292, Parsing a long list of incoming EDNS options degrades performance. Thanks to GitHub user 'N0zoM1z0', also Qifan Zhang from Palo Alto Networks, for the report.
• Fix CVE-2026-42534, Jostle logic bypass degrades resolution performance. Thanks to Qifan Zhang, Palo Alto Networks, for the report.
• Fix CVE-2026-42923, Degradation of service with unbounded NSEC3 hash calculations. Thanks to Qifan Zhang, Palo Alto Networks, for the report.
• Fix CVE-2026-42960, Possible cache poisoning attack while following delegation. Thanks to TaoFei Guo from Peking University, Yang Luo and JianJun Chen, Tsinghua University, for the report.
• Fix CVE-2026-44390, Unbounded name compression in certain cases causes degradation of service. Thanks to Qifan Zhang, Palo Alto Networks, for the report.
• Fix CVE-2026-44608, Use after free and crash in RPZ code. Thanks to Qifan Zhang, Palo Alto Networks, for the report.

Swapped sources signature source number with systemd unit to have them close.

Update to 1.25.0 (#2463781)

Feature changes:

• Improved TTL 0 handling
• Reload also certificates on reload if they have changed
• Allow control-interface specification also of port.
• Added new tls-protocols option. Can disable TLS 1.2 explicitly.

And bug fixes.

Remove merged patches.

Source: https://nlnetlabs.nl/projects/unbound/download/#unbound-1-25-0