{"id":"CLSA-2023-1688673886","aliases":[],"status":"published","title":"Update of tzdata","description":"- Upgrade to tzdata-2023c (code and data are identical to 2023a)\n  - Egypt now uses DST again, from April through October.\n  - This year Morocco springs forward April 23, not April 30.\n  - Palestine delays the start of DST this year.\n  - Much of Greenland still uses DST from 2024 on.\n  - America/Yellowknife now links to America/Edmonton.\n  - tzselect can now use current time to help infer timezone.\n- Adapt 0003-continue-to-ship-posixrules.patch to the new source code.","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2023-07-06T20:04:57Z","modified":"2026-06-01T00:33:19Z","fixes":[{"ecosystem":"TuxCare:CentOS:8.4","package":"tzdata","fixed_in":["2023c-1.el8.tuxcare.els1"],"sources":["osv"]},{"ecosystem":"TuxCare:CentOS:8.4","package":"tzdata-java","fixed_in":["2023c-1.el8.tuxcare.els1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"TuxCare:CentOS:8.4","package":"tzdata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2023c-1.el8.tuxcare.els1"}]}]},{"source":"osv","ecosystem":"TuxCare:CentOS:8.4","package":"tzdata-java","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2023c-1.el8.tuxcare.els1"}]}]}],"references":[{"url":"https://errata.cloudlinux.com/centos8.4-els/CLSA-2023-1688673886.html","tags":["advisory"]}],"sources":{"osv":[{"id":"CLSA-2023-1688673886","title":"Update of tzdata","description":"- Upgrade to tzdata-2023c (code and data are identical to 2023a)\n  - Egypt now uses DST again, from April through October.\n  - This year Morocco springs forward April 23, not April 30.\n  - Palestine delays the start of DST this year.\n  - Much of Greenland still uses DST from 2024 on.\n  - America/Yellowknife now links to America/Edmonton.\n  - tzselect can now use current time to help infer timezone.\n- Adapt 0003-continue-to-ship-posixrules.patch to the new source code.","status":"published","published":"2023-07-06T20:04:57Z","modified":"2026-06-01T00:33:19.33740944Z","updated_at":"2026-11-02T15:43:40.509998Z"}]}}