{"id":1477,"date":"2026-04-22T06:43:30","date_gmt":"2026-04-21T22:43:30","guid":{"rendered":"https:\/\/obagg.com\/index.php\/2026\/04\/22\/mozilla-says-it-patched-271-firefox-vulnerabilities-thanks-to-anthropics-claude-mythos\/"},"modified":"2026-04-22T06:43:30","modified_gmt":"2026-04-21T22:43:30","slug":"mozilla-says-it-patched-271-firefox-vulnerabilities-thanks-to-anthropics-claude-mythos","status":"publish","type":"post","link":"https:\/\/obagg.com\/index.php\/2026\/04\/22\/mozilla-says-it-patched-271-firefox-vulnerabilities-thanks-to-anthropics-claude-mythos\/","title":{"rendered":"Mozilla says it patched 271 Firefox vulnerabilities thanks to Anthropic&#8217;s Claude Mythos"},"content":{"rendered":"<p>Anthropic&#8217;s buzzy <a target=\"_blank\" class=\"link\" href=\"https:\/\/www.engadget.com\/ai\/anthropic-launches-project-glasswing-an-effort-to-prevent-ai-cyberattacks-with-ai-214939773.html\" data-i13n=\"cpos:1;pos:1\">announcement<\/a> about using AI to improve cybersecurity earlier this month was met with plenty of skepticism. However, Mozilla <a target=\"_blank\" class=\"link\" href=\"https:\/\/blog.mozilla.org\/en\/firefox\/ai-security-zero-day-vulnerabilities\/\" data-i13n=\"cpos:2;pos:1\">shared<\/a> some details that support use of the company&#8217;s special Claude Mythos Preview model as a way to protect critical services. Using Mythos helped Mozilla&#8217;s team find and patch 271 vulnerabilities in the latest release of the Firefox browser. &#8220;So far we\u2019ve found no category or complexity of vulnerability that humans can find that this model can\u2019t,&#8221; the foundation said.<\/p>\n<p>The blog post from Mozilla feels like a positive sign for Anthropic&#8217;s Project Glasswing. Obviously the AI company would want to put itself in the best possible light while presenting its own initiative, but there&#8217;s something encouraging about hearing the benefits from a third party. Mozilla also noted that in its time with Claude Mythos, the AI wasn&#8217;t able to turn up any bugs that a human wouldn&#8217;t have been able to find, given enough time and resources, which indicates that AI isn&#8217;t presently able to do more to crack cybersecurity protections than a person can.<\/p>\n<p>An organizaion successfully using AI for good is certainly a refreshing change of pace in tech news. And for those Firefox users who aren&#8217;t personally interested in applying any generative AI in their browsing, Mozilla has given the option to <a target=\"_blank\" class=\"link\" href=\"https:\/\/www.engadget.com\/ai\/firefox-will-soon-offer-a-way-to-block-all-of-its-generative-ai-features-203132958.html\" data-i13n=\"cpos:3;pos:1\">turn it all off<\/a> for the past several months.<\/p>\n<p>This article originally appeared on Engadget at https:\/\/www.engadget.com\/ai\/mozilla-says-it-patched-271-firefox-vulnerabilities-thanks-to-anthropics-claude-mythos-224330023.html?src=rss<\/p><p>Please credit: <a href=\"https:\/\/obagg.com\">OBA Blog<\/a> &raquo; <a href=\"https:\/\/obagg.com\/index.php\/2026\/04\/22\/mozilla-says-it-patched-271-firefox-vulnerabilities-thanks-to-anthropics-claude-mythos\/\">Mozilla says it patched 271 Firefox vulnerabilities thanks to Anthropic&#8217;s Claude Mythos<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Anthropic&#8217;s buzzy announcement about using AI to improve cybersecurity earlier this month was met with plenty of skepticism. However, Mozilla shared some details that support use of the company&#8217;s special Claude Mythos Preview model as a way to protect critical services. Using Mythos helped Mozilla&#8217;s team find and patch 271 vulnerabilities in the latest release of the Firefox browser. &#8220;So far we\u2019ve found no category or complexity of vulnerability that humans can find that this model can\u2019t,&#8221; the foundation said. The blog post from Mozilla feels like a positive sign for Anthropic&#8217;s Project Glasswing. Obviously the AI company would want to put itself in the best possible light while presenting its own initiative, but there&#8217;s something encouraging about hearing the benefits from a third party. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1477","post","type-post","status-publish","format-standard","hentry","category-share"],"_links":{"self":[{"href":"https:\/\/obagg.com\/index.php\/wp-json\/wp\/v2\/posts\/1477","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/obagg.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/obagg.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/obagg.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/obagg.com\/index.php\/wp-json\/wp\/v2\/comments?post=1477"}],"version-history":[{"count":0,"href":"https:\/\/obagg.com\/index.php\/wp-json\/wp\/v2\/posts\/1477\/revisions"}],"wp:attachment":[{"href":"https:\/\/obagg.com\/index.php\/wp-json\/wp\/v2\/media?parent=1477"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/obagg.com\/index.php\/wp-json\/wp\/v2\/categories?post=1477"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/obagg.com\/index.php\/wp-json\/wp\/v2\/tags?post=1477"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}