{"id":2339,"date":"2025-04-08T11:15:14","date_gmt":"2025-04-08T11:15:14","guid":{"rendered":"https:\/\/dijitalturk.com\/veysel\/?p=2339"},"modified":"2025-04-08T11:15:14","modified_gmt":"2025-04-08T11:15:14","slug":"firefoxda-guvenlik-acigi-ortaya-cikti","status":"publish","type":"post","link":"https:\/\/dijitalturk.com\/veysel\/firefoxda-guvenlik-acigi-ortaya-cikti\/","title":{"rendered":"Firefox’da G\u00fcvenlik A\u00e7\u0131\u011f\u0131 Ortaya \u00c7\u0131kt\u0131."},"content":{"rendered":"

Firefox Kullan\u0131c\u0131lar\u0131 Dikkat! Kritik G\u00fcvenlik A\u00e7\u0131\u011f\u0131na Kar\u015f\u0131 Hemen G\u00fcncelleyin!<\/h1>\n

Mozilla, Windows i\u015fletim sisteminde kullan\u0131lan Firefox taray\u0131c\u0131s\u0131nda kritik bir g\u00fcvenlik a\u00e7\u0131\u011f\u0131n\u0131 kapatan g\u00fcncellemeyi yay\u0131nlad\u0131. Bu \u00f6nemli ad\u0131m, Google’\u0131n Chrome taray\u0131c\u0131s\u0131nda benzer bir g\u00fcvenlik a\u00e7\u0131\u011f\u0131n\u0131 (CVE-2025-2857) yama yay\u0131nlayarak kapatmas\u0131n\u0131n hemen ard\u0131ndan geldi. S\u00f6z konusu a\u00e7\u0131k, k\u00f6t\u00fc niyetli ki\u015filerin aktif olarak istismar etti\u011fi “s\u0131f\u0131r g\u00fcn” a\u00e7\u0131\u011f\u0131 olarak biliniyordu.<\/p>\n

CVE-2025-2857: Sandbox’tan Ka\u00e7\u0131\u015f M\u0131?<\/h2>\n

CVE-2025-2857 olarak adland\u0131r\u0131lan g\u00fcvenlik a\u00e7\u0131\u011f\u0131, temelde hatal\u0131 bir “handle” (i\u015fleyici) kullan\u0131m\u0131ndan kaynaklan\u0131yor. Bu durum, sald\u0131rganlar\u0131n taray\u0131c\u0131n\u0131n “sandbox” ad\u0131 verilen g\u00fcvenlik katman\u0131n\u0131 a\u015fmas\u0131na ve sisteme daha derinlemesine eri\u015fmesine olanak tan\u0131yabiliyor. Sandbox, taray\u0131c\u0131y\u0131 potansiyel zararl\u0131 kodlardan ve k\u00f6t\u00fc ama\u00e7l\u0131 web sitelerinden koruyan kritik bir g\u00fcvenlik mekanizmas\u0131d\u0131r. Bu mekanizman\u0131n a\u015f\u0131lmas\u0131, bilgisayar\u0131n\u0131z\u0131n g\u00fcvenli\u011fini ciddi \u015fekilde tehlikeye atabilir.<\/p>\n

G\u00fcncelleme Neden Bu Kadar \u00d6nemli?<\/h2>\n

Mozilla’n\u0131n bu h\u0131zl\u0131 tepkisi, g\u00fcvenlik a\u00e7\u0131\u011f\u0131n\u0131n potansiyel etkilerini en aza indirmeyi ama\u00e7l\u0131yor. S\u0131f\u0131r g\u00fcn a\u00e7\u0131klar\u0131, g\u00fcvenlik uzmanlar\u0131 taraf\u0131ndan bilinmeden \u00f6nce k\u00f6t\u00fc niyetli ki\u015filer taraf\u0131ndan kullan\u0131ld\u0131\u011f\u0131 i\u00e7in \u00f6zellikle tehlikelidir. Bu nedenle, Firefox kullan\u0131c\u0131lar\u0131n\u0131n taray\u0131c\u0131lar\u0131n\u0131 en son s\u00fcr\u00fcme g\u00fcncellemeleri \u015fiddetle tavsiye edilir. Aksi takdirde, bilgisayar\u0131n\u0131z\u0131n g\u00fcvenli\u011fi risk alt\u0131nda olabilir ve ki\u015fisel verileriniz tehlikeye girebilir.<\/p>\n

Firefox’unuzu Nas\u0131l G\u00fcncelleyebilirsiniz?<\/h2>\n

Firefox’u g\u00fcncellemek olduk\u00e7a basit bir i\u015flem. \u0130\u015fte ad\u0131mlar:<\/p>\n

    \n
  1. Firefox taray\u0131c\u0131n\u0131z\u0131 a\u00e7\u0131n.<\/li>\n
  2. Sa\u011f \u00fcst k\u00f6\u015fedeki men\u00fc simgesine (\u00fc\u00e7 yatay \u00e7izgi) t\u0131klay\u0131n.<\/li>\n
  3. A\u00e7\u0131lan men\u00fcden “Yard\u0131m” se\u00e7ene\u011fini bulun ve t\u0131klay\u0131n.<\/li>\n
  4. “Firefox Hakk\u0131nda” se\u00e7ene\u011fine t\u0131klay\u0131n.<\/li>\n
  5. Firefox otomatik olarak g\u00fcncellemeleri kontrol edecek ve indirecektir.<\/li>\n
  6. \u0130ndirme tamamland\u0131ktan sonra, taray\u0131c\u0131n\u0131z\u0131 yeniden ba\u015flatman\u0131z istenebilir.<\/li>\n<\/ol>\n

    Bu basit ad\u0131mlar\u0131 izleyerek Firefox’unuzu g\u00fcncelleyebilir ve bilgisayar\u0131n\u0131z\u0131n g\u00fcvenli\u011fini sa\u011flayabilirsiniz.<\/p>\n

    Google’dan da Benzer Bir Hamle Gelmi\u015fti<\/h2>\n

    Bu g\u00fcvenlik a\u00e7\u0131\u011f\u0131, ak\u0131llara Google’\u0131n Chrome taray\u0131c\u0131s\u0131nda ya\u015fanan benzer bir durumu getiriyor. Google da k\u0131sa s\u00fcre \u00f6nce Chrome’da aktif olarak istismar edilen bir s\u0131f\u0131r g\u00fcn a\u00e7\u0131\u011f\u0131n\u0131 kapatm\u0131\u015ft\u0131. Bu durum, taray\u0131c\u0131 g\u00fcvenli\u011finin ne kadar kritik oldu\u011funu ve s\u00fcrekli g\u00fcncel tutulmas\u0131 gerekti\u011fini bir kez daha g\u00f6zler \u00f6n\u00fcne seriyor.<\/p>\n

    Ek Bilgi: Mozilla Kimdir?<\/h2>\n

    Mozilla Vakf\u0131:<\/strong> K\u00e2r amac\u0131 g\u00fctmeyen bir kurulu\u015f olan Mozilla Vakf\u0131, a\u00e7\u0131k kaynakl\u0131 yaz\u0131l\u0131mlar\u0131n geli\u015ftirilmesini ve yayg\u0131nla\u015ft\u0131r\u0131lmas\u0131n\u0131 desteklemektedir. En bilinen \u00fcr\u00fcn\u00fc, d\u00fcnya genelinde milyonlarca ki\u015fi taraf\u0131ndan kullan\u0131lan a\u00e7\u0131k kaynakl\u0131 web taray\u0131c\u0131s\u0131 Firefox’tur. Mozilla, internetin \u00f6zg\u00fcr, eri\u015filebilir ve g\u00fcvenli kalmas\u0131 i\u00e7in \u00e7al\u0131\u015fmalar\u0131n\u0131 s\u00fcrd\u00fcrmektedir.<\/p>\n

    Unutmay\u0131n, siber g\u00fcvenlik konusunda dikkatli olmak ve yaz\u0131l\u0131mlar\u0131n\u0131z\u0131 g\u00fcncel tutmak, \u00e7evrimi\u00e7i d\u00fcnyada kendinizi koruman\u0131n en \u00f6nemli ad\u0131mlar\u0131ndan biridir.<\/p>\n","protected":false},"excerpt":{"rendered":"

    Firefox Kullan\u0131c\u0131lar\u0131 Dikkat! Kritik G\u00fcvenlik A\u00e7\u0131\u011f\u0131na Kar\u015f\u0131 Hemen G\u00fcncelleyin! Mozilla, Windows i\u015fletim sisteminde kullan\u0131lan Firefox taray\u0131c\u0131s\u0131nda kritik bir g\u00fcvenlik a\u00e7\u0131\u011f\u0131n\u0131 […]<\/p>\n","protected":false},"author":512,"featured_media":2338,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[36],"tags":[87,155,370],"class_list":["post-2339","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-haber","tag-guvenlik","tag-hack","tag-security"],"uagb_featured_image_src":{"full":["https:\/\/dijitalturk.com\/veysel\/wp-content\/uploads\/2025\/04\/2025-03-28T054400.000Z__firefox.jpg",728,380,false],"thumbnail":["https:\/\/dijitalturk.com\/veysel\/wp-content\/uploads\/2025\/04\/2025-03-28T054400.000Z__firefox-150x150.jpg",150,150,true],"medium":["https:\/\/dijitalturk.com\/veysel\/wp-content\/uploads\/2025\/04\/2025-03-28T054400.000Z__firefox-300x157.jpg",300,157,true],"medium_large":["https:\/\/dijitalturk.com\/veysel\/wp-content\/uploads\/2025\/04\/2025-03-28T054400.000Z__firefox.jpg",728,380,false],"large":["https:\/\/dijitalturk.com\/veysel\/wp-content\/uploads\/2025\/04\/2025-03-28T054400.000Z__firefox-600x313.jpg",600,313,true],"1536x1536":["https:\/\/dijitalturk.com\/veysel\/wp-content\/uploads\/2025\/04\/2025-03-28T054400.000Z__firefox.jpg",728,380,false],"2048x2048":["https:\/\/dijitalturk.com\/veysel\/wp-content\/uploads\/2025\/04\/2025-03-28T054400.000Z__firefox.jpg",728,380,false]},"uagb_author_info":{"display_name":"Dragon DT","author_link":"https:\/\/dijitalturk.com\/veysel\/author\/dragon\/"},"uagb_comment_info":0,"uagb_excerpt":"Firefox Kullan\u0131c\u0131lar\u0131 Dikkat! Kritik G\u00fcvenlik A\u00e7\u0131\u011f\u0131na Kar\u015f\u0131 Hemen G\u00fcncelleyin! Mozilla, Windows i\u015fletim sisteminde kullan\u0131lan Firefox taray\u0131c\u0131s\u0131nda kritik bir g\u00fcvenlik a\u00e7\u0131\u011f\u0131n\u0131 […]","_links":{"self":[{"href":"https:\/\/dijitalturk.com\/veysel\/wp-json\/wp\/v2\/posts\/2339","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dijitalturk.com\/veysel\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dijitalturk.com\/veysel\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dijitalturk.com\/veysel\/wp-json\/wp\/v2\/users\/512"}],"replies":[{"embeddable":true,"href":"https:\/\/dijitalturk.com\/veysel\/wp-json\/wp\/v2\/comments?post=2339"}],"version-history":[{"count":0,"href":"https:\/\/dijitalturk.com\/veysel\/wp-json\/wp\/v2\/posts\/2339\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dijitalturk.com\/veysel\/wp-json\/wp\/v2\/media\/2338"}],"wp:attachment":[{"href":"https:\/\/dijitalturk.com\/veysel\/wp-json\/wp\/v2\/media?parent=2339"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dijitalturk.com\/veysel\/wp-json\/wp\/v2\/categories?post=2339"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dijitalturk.com\/veysel\/wp-json\/wp\/v2\/tags?post=2339"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}