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Description of problem: The purpose of having mozjs releases for Firefox ESR releases is getting security updates for it. So why not keep mozjs31 up-to-date with upstream firefox 31 ESR releases? Version-Release number of selected component (if applicable): Is: mozjs31-31.2.0-8 should be: mozjs31-31.8.0 How reproducible: on all currently supported versions of Fedora Additional info: This is a more general issue for all mozjs packages and is probably an important security issue depending on the package which uses mozjs. You probably should put a regex on https://release-monitoring.org/ to make sure you'll get notified of package updates. Release list and source for latest version info: https://ftp.mozilla.org/pub/firefox/releases/
According to: https://developer.mozilla.org/en-US/docs/Mozilla/Projects/SpiderMonkey/Releases/31 You can download full source code here: https://people.mozilla.org/~sstangl/mozjs-31.2.0.rc0.tar.bz2. I don't see where is 31.8.0.
Ok, that's interesting. mozjs45 is build from ESR firefox source code, not from these people.mozilla.source bundles (in case of SpiderMonkey 45: https://people.mozilla.org/~sfink/mozjs-45.0.2.tar.bz2). Instead, look at the spec file [1]: %global major 45 Summary: JavaScript interpreter and libraries Name: mozjs%{major} Version: %{major}.1.1 Release: 6%{?dist} License: MPLv2.0 and MPLv1.1 and BSD and GPLv2+ and GPLv3+ and LGPLv2.1 and LGPLv2.1+ and AFL and ASL 2.0 URL: https://developer.mozilla.org/en-US/docs/Mozilla/Projects/SpiderMonkey/Releases/45 Source0: https://ftp.mozilla.org/pub/firefox/releases/%{version}esr/source/firefox-%{version}esr.source.tar.xz Source1: LICENSE.txt [1] https://pkgs.fedoraproject.org/cgit/rpms/mozjs45.git/tree/mozjs45.spec So mozjs45 is directly built from firefox ESR sources whereas mozjs38, mozjs31 are build from releases provided to people.mozilla.org (are these official releases at all?) and mozjs17, mozjs24 are build from http://ftp.mozilla.org/pub/mozilla.org/js/ (which should be SSL-encrypted btw). The builds from people.mozilla.org don't seem to get any of the security bug fixes for ESR releases. Just have a look at https://www.mozilla.org/en-US/security/known-vulnerabilities/firefox-esr/ and all the critical fixes in ESR 31.8, 31.7, … mozjs45 is built from official sources following the official build documentation [2] and thus can get all the ESR bugs. (In reply to Igor Gnatenko from comment #1) > I don't see where is 31.8.0. Part of the firefox source release in comment #0 [2] https://developer.mozilla.org/en-US/docs/Mozilla/Projects/SpiderMonkey/Build_Documentation
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I went ahead and updated it in rawhide to the latest mozjs31 standalone release, 31.5.0.