230928 2021-09-28 18:13:57 -0700 WebExtension cookie storage expiration date is off by 30 years 2022-06-30 10:58:51 -0700 1 1 1 Unclassified WebKit WebKit Misc. Other iPhone / iPad macOS 11 RESOLVED MOVED InRadar P2 Critical --- 1 maikudou webkit-unassigned bfulgham jberlin katherine_cheney maikudou timothy webkit-bug-importer wilander oldest_to_newest 1798129 0 maikudou 2021-09-28 18:13:57 -0700 Steps to reproduce 1. Create a web extension for iOS 15 2. In context of WebExtension's background page set a cookie for a domain: window.browser.cookies.set({ name: 'mycookie', value: '123', url: "https://www.example.com", domain: ".example.com", expirationDate: Date.now()/1000 + 60*60 }) Expected outcome: A cookie "mycookie" is set with expiration date of now + 1 hour for the example.com domain Real outcome: A cookie with expiration date exactly 30 years in the future + 1 hour is created (year 2052 as at the time of this bug is filed) 1798135 1 maikudou 2021-09-28 18:43:15 -0700 The same is true for Desktop Safari WebExtension as well 1799952 2 webkit-bug-importer 2021-10-03 19:50:11 -0700 <rdar://problem/83820804> 1879444 3 bfulgham 2022-06-30 10:58:51 -0700 The fix for this issue needs to be made outside of the WebKit project, therefore marking as "RESOLVED | MOVED". We believe this issue is fixed in: iOS 16.0 Beta 1 (and newer) macOS Ventura Beta 1 (and newer)