{"id":181813,"date":"2026-05-30T20:48:06","date_gmt":"2026-05-30T18:48:07","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/obnovlenie-exim-4-99-4-s-ustraneniem-uyazvimosti-privodyashhej-k-utechke-pamyati"},"modified":"2026-05-30T20:48:06","modified_gmt":"2026-05-30T18:48:07","slug":"obnovlenie-exim-4-99-4-s-ustraneniem-uyazvimosti-privodyashhej-k-utechke-pamyati","status":"publish","type":"post","link":"https:\/\/prohoster.info\/az\/blog\/news\/obnovlenie-exim-4-99-4-s-ustraneniem-uyazvimosti-privodyashhej-k-utechke-pamyati","title":{"rendered":"Exim 4.99.4 yenil\u0259m\u0259si yadda\u015f s\u0131zmas\u0131na s\u0259b\u0259b olan t\u0259hl\u00fck\u0259sizliyi aradan qald\u0131r\u0131r","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Exim 4.99.4 po\u00e7t serverinin d\u00fcz\u0259li\u015f burax\u0131l\u0131\u015f\u0131 d\u0259rc olunub, burada (CVE-2026-48840) z\u0259ifliyi aradan qald\u0131r\u0131l\u0131r ki, bu da i\u015fl\u0259y\u0259n prosesin y\u0131\u011f\u0131 m\u00fchafiz\u0259sind\u0259n 16 qeyri-inalizasiya edilmi\u015f bayt\u0131 m\u00fc\u015ft\u0259riy\u0259 t\u0259qdim olunan SMTP Hello ba\u015fl\u0131\u011f\u0131nda IPv6 \u00fcnvan\u0131 bar\u0259d\u0259 m\u0259lumat\u0131n s\u0131zmas\u0131na s\u0259b\u0259b olur. Praktikada d\u00fcz\u0259ldilmi\u015f s\u0131zma, adresl\u0259rin t\u0259sad\u00fcfi yerl\u0259\u015fm\u0259si (ASLR) olan konfiqurasiyalarda dig\u0259r z\u0259iflikl\u0259ri istismar etm\u0259k \u00fc\u00e7\u00fcn yadda\u015f d\u00fcz\u00fcl\u00fc\u015f\u00fcn\u00fcn m\u00fc\u0259yy\u0259n edilm\u0259sind\u0259 istifad\u0259 oluna bil\u0259r. <\/p>\n

Problemin ortaya \u00e7\u0131xmas\u0131 Exim 4.88 versiyas\u0131ndan (2017-ci il) ba\u015flay\u0131r, hosts_proxy konfiqasiyas\u0131ndan istifad\u0259 ed\u0259n sisteml\u0259rd\u0259 v\u0259 SUPPORT_PROXY se\u00e7imi il\u0259 t\u0259rtib olunmu\u015f Exim y\u0131\u011f\u0131nlar\u0131nda (Debian, Ubuntu, RHEL EPEL v\u0259 Fedora-da standart olaraq). Z\u0259iflik, PROXYv2 protokolu il\u0259 ba\u011flant\u0131lar\u0131n i\u015fl\u0259nm\u0259si zaman\u0131 \u00e7\u0259r\u00e7iv\u0259l\u0259rin \u00f6l\u00e7\u00fcs\u00fcn\u00fcn d\u00fczg\u00fcn yoxlan\u0131lmamas\u0131 il\u0259 meydana \u00e7\u0131x\u0131r.
\n
M\u0259nb\u0259: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0439 \u0432\u044b\u043f\u0443\u0441\u043a \u043f\u043e\u0447\u0442\u043e\u0432\u043e\u0433\u043e \u0441\u0435\u0440\u0432\u0435\u0440\u0430 Exim 4.99.4, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2026-48840), \u043f\u0440\u0438\u0432\u043e\u0434\u044f\u0449\u0430\u044f \u043a \u0443\u0442\u0435\u0447\u043a\u0435 16 \u043d\u0435\u0438\u043d\u0438\u0446\u0438\u0430\u043b\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u0431\u0430\u0439\u0442 \u0438\u0437 \u0441\u0442\u0435\u043a\u0430 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0430-\u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0430 \u0432 \u043e\u0442\u0434\u0430\u0432\u0430\u0435\u043c\u043e\u0439 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\u0440\u0430\u043d\u0434\u043e\u043c\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u0430\u0434\u0440\u0435\u0441\u043e\u0432 (ASLR). \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043d\u0430\u0447\u0438\u043d\u0430\u044f […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-181813","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Exim 4.99.4 yenil\u0259m\u0259si, yadda\u015f s\u0131zmas\u0131na s\u0259b\u0259b olan z\u0259ifliyin aradan qald\u0131r\u0131lmas\u0131 | 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VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 Exim 4.99.4 \u0441 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0435\u043c \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438, \u043f\u0440\u0438\u0432\u043e\u0434\u044f\u0449\u0435\u0439 \u043a \u0443\u0442\u0435\u0447\u043a\u0435 \u043f\u0430\u043c\u044f\u0442\u0438 | ProHoster","og:description":"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0439 \u0432\u044b\u043f\u0443\u0441\u043a \u043f\u043e\u0447\u0442\u043e\u0432\u043e\u0433\u043e \u0441\u0435\u0440\u0432\u0435\u0440\u0430 Exim 4.99.4, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2026-48840), \u043f\u0440\u0438\u0432\u043e\u0434\u044f\u0449\u0430\u044f \u043a \u0443\u0442\u0435\u0447\u043a\u0435 16 \u043d\u0435\u0438\u043d\u0438\u0446\u0438\u0430\u043b\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u0431\u0430\u0439\u0442 \u0438\u0437 \u0441\u0442\u0435\u043a\u0430 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0430-\u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0430 \u0432 \u043e\u0442\u0434\u0430\u0432\u0430\u0435\u043c\u043e\u0439 \u043a\u043b\u0438\u0435\u043d\u0442\u0443.","og:url":"https:\/\/prohoster.info\/az\/blog\/news\/obnovlenie-exim-4-99-4-s-ustraneniem-uyazvimosti-privodyashhej-k-utechke-pamyati","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2026-05-30T18:48:07+00:00","article:modified_time":"2026-05-30T18:48:07+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":[],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/az\/wp-json\/wp\/v2\/posts\/181813","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/az\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/az\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/az\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/az\/wp-json\/wp\/v2\/comments?post=181813"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/az\/wp-json\/wp\/v2\/posts\/181813\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/az\/wp-json\/wp\/v2\/media?parent=181813"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/az\/wp-json\/wp\/v2\/categories?post=181813"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/az\/wp-json\/wp\/v2\/tags?post=181813"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}