{"id":211015,"date":"2026-04-06T15:56:15","date_gmt":"2026-04-06T13:56:15","guid":{"rendered":"https:\/\/www.deskmodder.de\/blog\/?p=211015"},"modified":"2026-04-06T15:57:17","modified_gmt":"2026-04-06T13:57:17","slug":"firefox-149-0-2-140-9-1-esr-und-115-34-1-esr-jeweils-als-sicherheitsupdate","status":"publish","type":"post","link":"https:\/\/www.deskmodder.de\/blog\/2026\/04\/06\/firefox-149-0-2-140-9-1-esr-und-115-34-1-esr-jeweils-als-sicherheitsupdate\/","title":{"rendered":"Firefox 149.0.2, 140.9.1 ESR und 115.34.1 ESR jeweils als Sicherheitsupdate"},"content":{"rendered":"<p>Mal kurz informiert: Mozilla hat f\u00fcr alle drei Firefox Browser ein Update bereitgestellt. In der Version 149.0.2, 140.9.1 ESR und 115.34.1 ESR wurden Sicherheitsl\u00fccken geschlossen. Welche genau, werden wir sp\u00e4ter einf\u00fcgen. Ist schon selten, dass gleich alle drei ein Update erhalten.<\/p>\n<p><a href=\"https:\/\/www.deskmodder.de\/blog\/wp-content\/uploads\/2019\/08\/firefox-logo-2019.png\" rel=\"lightbox[211015]\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.deskmodder.de\/blog\/wp-content\/uploads\/2019\/08\/firefox-logo-2019-500x360.png\" alt=\"\" width=\"500\" height=\"360\" class=\"aligncenter size-medium wp-image-125545\" srcset=\"https:\/\/www.deskmodder.de\/blog\/wp-content\/uploads\/2019\/08\/firefox-logo-2019-500x360.png 500w, https:\/\/www.deskmodder.de\/blog\/wp-content\/uploads\/2019\/08\/firefox-logo-2019-285x205.png 285w, https:\/\/www.deskmodder.de\/blog\/wp-content\/uploads\/2019\/08\/firefox-logo-2019.png 615w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/p>\n<p>Die Updates werden am Dienstag (7.04.2026) gegen Nachmittag \u00fcber die Update-Funktion im Browser verteilt werden. Falls ihr euch beim Firefox 149 wundern solltet, die 149.0.1 hat die Android-Version vor <a href=\"https:\/\/www.firefox.com\/en-US\/firefox\/android\/149.0.1\/releasenotes\/\" target=\"_blank\">ein paar Tagen<\/a> erhalten.<\/p>\n<h3>Info und Download:<\/h3>\n<ul>\n<li>Sp\u00e4ter <a href=\"https:\/\/www.firefox.com\/en-US\/firefox\/149.0.2\/releasenotes\/\" target=\"_blank\">firefox.com\/149.0.2\/releasenotes<\/a><\/li>\n<li><a href=\"https:\/\/releases.mozilla.org\/pub\/firefox\/releases\/149.0.2\/\" target=\"_blank\">mozilla.org\/firefox\/releases\/149.0.2<\/a><\/li>\n<li>Sp\u00e4ter <a href=\"https:\/\/www.firefox.com\/en-US\/firefox\/140.9.1\/releasenotes\/\" target=\"_blank\">firefox.com\/140.9.1\/releasenotes<\/a><\/li>\n<li><a href=\"https:\/\/releases.mozilla.org\/pub\/firefox\/releases\/140.9.1esr\/\" target=\"_blank\">mozilla.org\/firefox\/releases\/140.9.1esr<\/a> (folgt)<\/li>\n<li>Sp\u00e4ter <a href=\"https:\/\/www.firefox.com\/en-US\/firefox\/115.34.1\/releasenotes\/\" target=\"_blank\">firefox.com\/115.34.1\/releasenotes<\/a><\/li>\n<li><a href=\"https:\/\/releases.mozilla.org\/pub\/firefox\/releases\/115.34.1esr\/\" target=\"_blank\">mozilla.org\/firefox\/releases\/115.34.1esr<\/a> (folgt)<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Mal kurz informiert: Mozilla hat f\u00fcr alle drei Firefox Browser ein Update bereitgestellt. In der Version 149.0.2, 140.9.1 ESR und 115.34.1 ESR wurden Sicherheitsl\u00fccken geschlossen. Welche genau, werden wir sp\u00e4ter einf\u00fcgen. Ist schon selten, dass gleich alle drei ein Update&hellip; <\/p>\n","protected":false},"author":134,"featured_media":143930,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[166],"tags":[96146,96145,92903,96147],"class_list":["post-211015","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-browser","tag-firefox-140-9-1-esr","tag-firefox-149-0-2","tag-firefox-sicherheitsupdate","tag-firefox-update-wichtig"],"wp_featured_image":{"id":143930,"alt_text":"","description":"","media_type":"image","media_details":{"width":500,"height":360,"file":"2020\/09\/firefox-logo-2019-500x360-1.png","sizes":{"medium":{"file":"firefox-logo-2019-500x360-1-500x360.png","width":500,"height":360,"mime-type":"image\/png","source_url":"https:\/\/www.deskmodder.de\/blog\/wp-content\/uploads\/2020\/09\/firefox-logo-2019-500x360-1-500x360.png"},"thumbnail":{"file":"firefox-logo-2019-500x360-1-50x50.png","width":50,"height":50,"mime-type":"image\/png","source_url":"https:\/\/www.deskmodder.de\/blog\/wp-content\/uploads\/2020\/09\/firefox-logo-2019-500x360-1-50x50.png"},"blog-large":{"file":"firefox-logo-2019-500x360-1-500x300.png","width":500,"height":300,"mime-type":"image\/png","source_url":"https:\/\/www.deskmodder.de\/blog\/wp-content\/uploads\/2020\/09\/firefox-logo-2019-500x360-1-500x300.png"},"blog-medium":{"file":"firefox-logo-2019-500x360-1-306x205.png","width":306,"height":205,"mime-type":"image\/png","source_url":"https:\/\/www.deskmodder.de\/blog\/wp-content\/uploads\/2020\/09\/firefox-logo-2019-500x360-1-306x205.png"},"recent-thumb":{"file":"firefox-logo-2019-500x360-1-350x316.png","width":350,"height":316,"mime-type":"image\/png","source_url":"https:\/\/www.deskmodder.de\/blog\/wp-content\/uploads\/2020\/09\/firefox-logo-2019-500x360-1-350x316.png"},"service-featured":{"file":"firefox-logo-2019-500x360-1-500x330.png","width":500,"height":330,"mime-type":"image\/png","source_url":"https:\/\/www.deskmodder.de\/blog\/wp-content\/uploads\/2020\/09\/firefox-logo-2019-500x360-1-500x330.png"},"wp_rp_thumbnail":{"file":"firefox-logo-2019-500x360-1-50x50.png","width":50,"height":50,"mime-type":"image\/png","source_url":"https:\/\/www.deskmodder.de\/blog\/wp-content\/uploads\/2020\/09\/firefox-logo-2019-500x360-1-50x50.png"}},"image_meta":{"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"","focal_length":"0","iso":"0","shutter_speed":"0","title":"","orientation":"0","keywords":[]}},"post":143928,"source_url":"https:\/\/www.deskmodder.de\/blog\/wp-content\/uploads\/2020\/09\/firefox-logo-2019-500x360-1.png"},"commentcount":3,"wp_comments":[{"id":332901,"parent":0,"author":0,"author_name":"Ben","author_email":"benjaminkunert99@t-online.de","author_url":"","author_avatar_urls":{"24":"https:\/\/secure.gravatar.com\/avatar\/711bd571a8c07632c306a31a313d1acfbfb97b56521ba13835e8b9114bb1c835?s=24&d=mm&r=g","48":"https:\/\/secure.gravatar.com\/avatar\/711bd571a8c07632c306a31a313d1acfbfb97b56521ba13835e8b9114bb1c835?s=48&d=mm&r=g","96":"https:\/\/secure.gravatar.com\/avatar\/711bd571a8c07632c306a31a313d1acfbfb97b56521ba13835e8b9114bb1c835?s=96&d=mm&r=g"},"date":"2026-04-06T15:59:29","cld_nonce":"c0a1f43511","content":{"rendered":"<p>Selbst am Feiertag bringt Firefox Updates \ud83d\ude07.<br \/>\nOh no, in USA ist heute normaler Werktag<\/p>\n"},"status":"1"},{"id":332907,"parent":332901,"author":0,"author_name":"KeyserSoze","author_email":"ahmed@onlineschlickum.com","author_url":"","author_avatar_urls":{"24":"https:\/\/secure.gravatar.com\/avatar\/d1e8844a23258daa413554cbc1262f060f2146d8a389d56e72d000b9c3927ed6?s=24&d=mm&r=g","48":"https:\/\/secure.gravatar.com\/avatar\/d1e8844a23258daa413554cbc1262f060f2146d8a389d56e72d000b9c3927ed6?s=48&d=mm&r=g","96":"https:\/\/secure.gravatar.com\/avatar\/d1e8844a23258daa413554cbc1262f060f2146d8a389d56e72d000b9c3927ed6?s=96&d=mm&r=g"},"date":"2026-04-06T16:16:46","cld_nonce":"c0a1f43511","content":{"rendered":"<p>bei mir ist noch nix da, vieleicht funktioniert ja nach dem Update auch das VPN <img src=\"https:\/\/www.deskmodder.de\/blog\/wp-content\/plugins\/classic-smilies\/img\/icon_smile.gif\" alt=\":)\" class=\"wp-smiley\" \/><\/p>\n"},"status":"1"},{"id":332913,"parent":0,"author":8753,"author_name":"gur_helios","author_email":"uweruch@gmx.net","author_url":"","author_avatar_urls":{"24":"https:\/\/secure.gravatar.com\/avatar\/39ae8bf46022971dad56e093677a8d54e9acea81fea750c0206f98d5e0d5a05b?s=24&d=mm&r=g","48":"https:\/\/secure.gravatar.com\/avatar\/39ae8bf46022971dad56e093677a8d54e9acea81fea750c0206f98d5e0d5a05b?s=48&d=mm&r=g","96":"https:\/\/secure.gravatar.com\/avatar\/39ae8bf46022971dad56e093677a8d54e9acea81fea750c0206f98d5e0d5a05b?s=96&d=mm&r=g"},"date":"2026-04-06T17:41:40","cld_nonce":"c0a1f43511","content":{"rendered":"<p>Anniversary Edition! <img src=\"https:\/\/www.deskmodder.de\/blog\/wp-content\/plugins\/classic-smilies\/img\/icon_smile.gif\" alt=\":)\" class=\"wp-smiley\" \/><\/p>\n<p><a href=\"https:\/\/www.deskmodder.de\/blog\/2026\/04\/06\/heute-ist-unser-23-geburtstag-den-wir-mit-euch-virtuell-feiern\/\" rel=\"ugc\">https:\/\/www.deskmodder.de\/blog\/2026\/04\/06\/heute-ist-unser-23-geburtstag-den-wir-mit-euch-virtuell-feiern\/<\/a><\/p>\n"},"status":"1"}],"wp_author":{"id":134,"name":"moinmoin","description":"Ich bin nicht allwissend, was <a href=\"https:\/\/www.deskmodder.de\/wiki\/index.php?title=Kategorie:Windows_11\">Windows<\/a> angeht. Aber genau deshalb nehme ich Windows gerne auseinander und unter die Lupe, um all mein Wissen zu erweitern. <i>J\u00fcrgen<\/i>","author_avatar_urls":{"24":"https:\/\/secure.gravatar.com\/avatar\/fab96769102f8886245ab411df9a42a235be79261e4b44aa7ab2a555da8b86b4?s=24&d=mm&r=g","48":"https:\/\/secure.gravatar.com\/avatar\/fab96769102f8886245ab411df9a42a235be79261e4b44aa7ab2a555da8b86b4?s=48&d=mm&r=g","96":"https:\/\/secure.gravatar.com\/avatar\/fab96769102f8886245ab411df9a42a235be79261e4b44aa7ab2a555da8b86b4?s=96&d=mm&r=g"}},"cld_nonce":"c0a1f43511","yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Firefox 149.0.2, 140.9.1 ESR und 115.34.1 ESR jeweils als Sicherheitsupdate - Deskmodder.de<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.deskmodder.de\/blog\/2026\/04\/06\/firefox-149-0-2-140-9-1-esr-und-115-34-1-esr-jeweils-als-sicherheitsupdate\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Firefox 149.0.2, 140.9.1 ESR und 115.34.1 ESR jeweils als Sicherheitsupdate\" \/>\n<meta property=\"og:description\" content=\"Mal kurz informiert: Mozilla hat f\u00fcr alle drei Firefox Browser ein Update bereitgestellt. In der Version 149.0.2, 140.9.1 ESR und 115.34.1 ESR wurden Sicherheitsl\u00fccken geschlossen. Welche genau, werden wir sp\u00e4ter einf\u00fcgen. Ist schon selten, dass gleich alle drei ein Update&hellip;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.deskmodder.de\/blog\/2026\/04\/06\/firefox-149-0-2-140-9-1-esr-und-115-34-1-esr-jeweils-als-sicherheitsupdate\/\" \/>\n<meta property=\"og:site_name\" content=\"Deskmodder.de\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/Deskmodder\" \/>\n<meta property=\"article:published_time\" content=\"2026-04-06T13:56:15+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-06T13:57:17+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.deskmodder.de\/blog\/wp-content\/uploads\/2020\/09\/firefox-logo-2019-500x360-1.png\" \/>\n\t<meta property=\"og:image:width\" content=\"500\" \/>\n\t<meta property=\"og:image:height\" content=\"360\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"moinmoin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@Deskmodder\" \/>\n<meta name=\"twitter:site\" content=\"@Deskmodder\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.deskmodder.de\\\/blog\\\/2026\\\/04\\\/06\\\/firefox-149-0-2-140-9-1-esr-und-115-34-1-esr-jeweils-als-sicherheitsupdate\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.deskmodder.de\\\/blog\\\/2026\\\/04\\\/06\\\/firefox-149-0-2-140-9-1-esr-und-115-34-1-esr-jeweils-als-sicherheitsupdate\\\/\"},\"author\":{\"name\":\"moinmoin\",\"@id\":\"https:\\\/\\\/www.deskmodder.de\\\/blog\\\/#\\\/schema\\\/person\\\/a40b17a9503c4a1568ac4073bb54182a\"},\"headline\":\"Firefox 149.0.2, 140.9.1 ESR und 115.34.1 ESR jeweils als Sicherheitsupdate\",\"datePublished\":\"2026-04-06T13:56:15+00:00\",\"dateModified\":\"2026-04-06T13:57:17+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.deskmodder.de\\\/blog\\\/2026\\\/04\\\/06\\\/firefox-149-0-2-140-9-1-esr-und-115-34-1-esr-jeweils-als-sicherheitsupdate\\\/\"},\"wordCount\":113,\"commentCount\":3,\"publisher\":{\"@id\":\"https:\\\/\\\/www.deskmodder.de\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.deskmodder.de\\\/blog\\\/2026\\\/04\\\/06\\\/firefox-149-0-2-140-9-1-esr-und-115-34-1-esr-jeweils-als-sicherheitsupdate\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.deskmodder.de\\\/blog\\\/wp-content\\\/uploads\\\/2020\\\/09\\\/firefox-logo-2019-500x360-1.png\",\"keywords\":[\"Firefox 140.9.1 ESR\",\"Firefox 149.0.2\",\"Firefox Sicherheitsupdate\",\"Firefox Update wichtig\"],\"articleSection\":[\"Browser\"],\"inLanguage\":\"de\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.deskmodder.de\\\/blog\\\/2026\\\/04\\\/06\\\/firefox-149-0-2-140-9-1-esr-und-115-34-1-esr-jeweils-als-sicherheitsupdate\\\/#respond\"]}],\"copyrightYear\":\"2026\",\"copyrightHolder\":{\"@id\":\"https:\\\/\\\/www.deskmodder.de\\\/blog\\\/#organization\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.deskmodder.de\\\/blog\\\/2026\\\/04\\\/06\\\/firefox-149-0-2-140-9-1-esr-und-115-34-1-esr-jeweils-als-sicherheitsupdate\\\/\",\"url\":\"https:\\\/\\\/www.deskmodder.de\\\/blog\\\/2026\\\/04\\\/06\\\/firefox-149-0-2-140-9-1-esr-und-115-34-1-esr-jeweils-als-sicherheitsupdate\\\/\",\"name\":\"Firefox 149.0.2, 140.9.1 ESR und 115.34.1 ESR jeweils als Sicherheitsupdate - 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Aber genau deshalb nehme ich Windows gerne auseinander und unter die Lupe, um all mein Wissen zu erweitern. J\u00fcrgen\",\"url\":\"https:\\\/\\\/www.deskmodder.de\\\/blog\\\/author\\\/moinmoin\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Firefox 149.0.2, 140.9.1 ESR und 115.34.1 ESR jeweils als Sicherheitsupdate - Deskmodder.de","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.deskmodder.de\/blog\/2026\/04\/06\/firefox-149-0-2-140-9-1-esr-und-115-34-1-esr-jeweils-als-sicherheitsupdate\/","og_locale":"de_DE","og_type":"article","og_title":"Firefox 149.0.2, 140.9.1 ESR und 115.34.1 ESR jeweils als Sicherheitsupdate","og_description":"Mal kurz informiert: Mozilla hat f\u00fcr alle drei Firefox Browser ein Update bereitgestellt. 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