{"id":"CLSA-2025-1751040804","aliases":[],"status":"published","title":"Update of tzdata","description":"* New upstream 2025b version:\n     - New zone for Aysén Region in Chile which moves from -04/-03 to -03.\n     - Paraguay adopted permanent -03 starting spring 2024.\n     - Improve pre-1991 data for the Philippines.\n     - Etc/Unknown is now reserved.\n     - Improve historical data for Mexico, Mongolia, and Portugal.\n     - System V names are now obsolescent.\n     - The main data form now uses %z.\n     - The code now conforms to RFC 8536 for early timestamps.\n     - Support POSIX.1-2024, which removes asctime_r and ctime_r.\n     - Assume POSIX.2-1992 or later for shell scripts.\n     - SUPPORT_C89 now defaults to 1.","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2025-06-27T16:13:29Z","modified":"2026-10-26T09:32:00Z","fixes":[{"ecosystem":"TuxCare:Ubuntu:16.04","package":"tzdata","fixed_in":["2025b-0ubuntu0.16.04+tuxcare.els1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"TuxCare:Ubuntu:16.04","package":"tzdata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2025b-0ubuntu0.16.04+tuxcare.els1"}]}]}],"references":[{"url":"https://errata.tuxcare.com/els_os/ubuntu16.04els/CLSA-2025-1751040804.html","tags":["advisory"]}],"sources":{"osv":[{"id":"CLSA-2025-1751040804","title":"Update of tzdata","description":"   * New upstream 2025b version:\n     - New zone for Aysén Region in Chile which moves from -04/-03 to -03.\n     - Paraguay adopted permanent -03 starting spring 2024.\n     - Improve pre-1991 data for the Philippines.\n     - Etc/Unknown is now reserved.\n     - Improve historical data for Mexico, Mongolia, and Portugal.\n     - System V names are now obsolescent.\n     - The main data form now uses %z.\n     - The code now conforms to RFC 8536 for early timestamps.\n     - Support POSIX.1-2024, which removes asctime_r and ctime_r.\n     - Assume POSIX.2-1992 or later for shell scripts.\n     - SUPPORT_C89 now defaults to 1.","status":"published","published":"2025-06-27T16:13:29Z","modified":"2026-10-26T09:32:00.805771754Z","updated_at":"2026-11-02T15:43:41.66212Z"}]}}