{"id":"CVE-2019-11747","state":"PUBLISHED","title":"The \"Forget about this site\" feature in the History pane is intended to remove all saved user data that indicates a user has visited a site. This includes removing any HTTP Strict ","description":"The \"Forget about this site\" feature in the History pane is intended to remove all saved user data that indicates a user has visited a site. This includes removing any HTTP Strict Transport Security (HSTS) settings received from sites that use it. Due to a bug, sites on the pre-load list also have their HSTS setting removed. On the next visit to that site if the user specifies an http: URL rather than secure https: they will not be protected by the pre-loaded HSTS setting. After that visit the site's HSTS setting will be restored. This vulnerability affects Firefox < 69 and Firefox ESR < 68.1.","publishedAt":"2019-09-27T17:16:08.000Z","updatedAt":"2024-08-04T23:03:32.475Z","severity":null,"assigner":"mozilla","products":["Mozilla Firefox","Mozilla Firefox ESR"],"affected":[{"vendor":"Mozilla","product":"Firefox","versions":[{"version":"unspecified","status":"affected","lessThan":"69","versionType":"custom"}]},{"vendor":"Mozilla","product":"Firefox ESR","versions":[{"version":"unspecified","status":"affected","lessThan":"68.1","versionType":"custom"}]}],"references":["https://bugzilla.mozilla.org/show_bug.cgi?id=1564481","https://www.mozilla.org/security/advisories/mfsa2019-25/","https://www.mozilla.org/security/advisories/mfsa2019-26/","http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html","http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html"],"weaknesses":[],"ingestedAt":"2026-10-29T19:45:22.458Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2019/11xxx/CVE-2019-11747.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2019-11747","state":"PUBLISHED","datePublished":"2019-09-27T17:16:08.000Z","dateUpdated":"2024-08-04T23:03:32.475Z","assignerShortName":"mozilla","assignerOrgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","dateReserved":"2019-05-03T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"The \"Forget about this site\" feature in the History pane is intended to remove all saved user data that indicates a user has visited a site. This includes removing any HTTP Strict Transport Security (HSTS) settings received from sites that use it. Due to a bug, sites on the pre-load list also have their HSTS setting removed. On the next visit to that site if the user specifies an http: URL rather than secure https: they will not be protected by the pre-loaded HSTS setting. After that visit the site's HSTS setting will be restored. This vulnerability affects Firefox < 69 and Firefox ESR < 68.1."}],"affected":[{"vendor":"Mozilla","product":"Firefox","versions":[{"version":"unspecified","status":"affected","lessThan":"69","versionType":"custom"}]},{"vendor":"Mozilla","product":"Firefox ESR","versions":[{"version":"unspecified","status":"affected","lessThan":"68.1","versionType":"custom"}]}],"references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1564481","tags":["x_refsource_MISC"]},{"url":"https://www.mozilla.org/security/advisories/mfsa2019-25/","tags":["x_refsource_CONFIRM"]},{"url":"https://www.mozilla.org/security/advisories/mfsa2019-26/","tags":["x_refsource_CONFIRM"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html","name":"openSUSE-SU-2019:2251","tags":["vendor-advisory","x_refsource_SUSE"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html","name":"openSUSE-SU-2019:2260","tags":["vendor-advisory","x_refsource_SUSE"]}],"problemTypes":[{"descriptions":[{"description":"'Forget about this site' removes sites from pre-loaded HSTS list","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"mozilla","dateUpdated":"2019-10-06T14:06:34.000Z","orgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"security@mozilla.org","ID":"CVE-2019-11747","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Firefox","version":{"version_data":[{"version_affected":"<","version_value":"69"}]}},{"product_name":"Firefox ESR","version":{"version_data":[{"version_affected":"<","version_value":"68.1"}]}}]},"vendor_name":"Mozilla"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"The \"Forget about this site\" feature in the History pane is intended to remove all saved user data that indicates a user has visited a site. This includes removing any HTTP Strict Transport Security (HSTS) settings received from sites that use it. Due to a bug, sites on the pre-load list also have their HSTS setting removed. On the next visit to that site if the user specifies an http: URL rather than secure https: they will not be protected by the pre-loaded HSTS setting. After that visit the site's HSTS setting will be restored. 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