avahi: patches to handle malformed content from the network

Specifically these where recommended by an upstream maintainer in
[this comment]:

* https://github.com/avahi/avahi/pull/480
* https://github.com/avahi/avahi/pull/515
* https://github.com/avahi/avahi/pull/519

[this comment]: https://github.com/NixOS/nixpkgs/pull/269599#issuecomment-1839059467

pkgs/development/libraries/avahi/default.nix

···
       url = "https://github.com/lathiat/avahi/commit/94cb6489114636940ac683515417990b55b5d66c.patch";
       sha256 = "sha256-Fanh9bvz+uknr5pAmltqijuUAZIG39JR2Lyq5zGKJ58=";
     })
+    # https://github.com/avahi/avahi/pull/480 merged Sept 19
+    (fetchpatch {
+      name = "bail-out-unless-escaped-labels-fit.patch";
+      url = "https://github.com/avahi/avahi/commit/20dec84b2480821704258bc908e7b2bd2e883b24.patch";
+      sha256 = "sha256-p/dOuQ/GInIcUwuFhQR3mGc5YBL5J8ho+1gvzcqEN0c=";
+    })
     # CVE-2023-38473
     # https://github.com/lathiat/avahi/pull/486 merged Oct 18
     (fetchpatch {
···
       url = "https://github.com/avahi/avahi/commit/61b9874ff91dd20a12483db07df29fe7f35db77f.patch";
       sha256 = "sha256-qR7scfQqhRGxg2n4HQsxVxCLkXbwZi+PlYxrOSEPsL0=";
       excludes = [ ".github/workflows/smoke-tests.sh" ];
+    })
+    # https://github.com/avahi/avahi/pull/515 merged Nov 3
+    (fetchpatch {
+      name = "fix-compare-rrs-with-zero-length-rdata.patch";
+      url = "https://github.com/avahi/avahi/commit/177d75e8c43be45a8383d794ce4084dd5d600a9e.patch";
+      sha256 = "sha256-uwIyruAWgiWt0yakRrvMdYjjhEhUk5cIGKt6twyXbHw=";
+    })
+    # https://github.com/avahi/avahi/pull/519 merged Nov 8
+    (fetchpatch {
+      name = "reject-non-utf-8-service-names.patch";
+      url = "https://github.com/avahi/avahi/commit/2b6d3e99579e3b6e9619708fad8ad8e07ada8218.patch";
+      sha256 = "sha256-lwSA3eEQgH0g51r0i9/HJMJPRXrhQnTIEDxcYqUuLdI=";
+      excludes = [ "fuzz/fuzz-domain.c" ];
     })
     # https://github.com/avahi/avahi/pull/523 merged Nov 12
     (fetchpatch {