{"id":168322,"date":"2026-04-10T17:11:55","date_gmt":"2026-04-10T15:11:55","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/opasnye-uyazvimosti-v-gstreamer-cups-wolfssl-openssl-openclaw-nix-i-yadre-linux"},"modified":"2026-04-10T17:11:55","modified_gmt":"2026-04-10T15:11:55","slug":"opasnye-uyazvimosti-v-gstreamer-cups-wolfssl-openssl-openclaw-nix-i-yadre-linux","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/opasnye-uyazvimosti-v-gstreamer-cups-wolfssl-openssl-openclaw-nix-i-yadre-linux","title":{"rendered":"Vesz\u00e9lyes sebezhet\u0151s\u00e9gek a GStreamer, CUPS, wolfSSL, OpenSSL, OpenClaw, Nix \u00e9s a Linux kernelben.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Az elm\u00falt napokban t\u00f6bb s\u00falyos s\u00e9r\u00fcl\u00e9kenys\u00e9get azonos\u00edtottak, amelynek t\u00f6bbs\u00e9ge t\u00e1volr\u00f3l kihaszn\u00e1lhat\u00f3:    <\/p>\n<ul>\n<li class=\"l\"> A GStreamer 1.28.2 multim\u00e9di\u00e1s keretrendszer jav\u00edt\u00f3 kiad\u00e1s\u00e1ban 11 s\u00e9r\u00fcl\u00e9kenys\u00e9get tal\u00e1ltak, ezek k\u00f6z\u00fcl 3 a puffert\u00falcsordul\u00e1s miatt k\u00f6vetkezik be, \u00e9s potenci\u00e1lisan lehet\u0151v\u00e9 teheti a k\u00f3d v\u00e9grehajt\u00e1s\u00e1t speci\u00e1lisan kialak\u00edtott MKV (CVE nem lett kijel\u00f6lve) \u00e9s MOV\/MP4 (CVE-2026-5056) multim\u00e9di\u00e1s kont\u00e9nerek feldolgoz\u00e1sakor, valamint H.266\/VVC form\u00e1tumban \u00e9rkez\u0151 \u00e1ramlatok eset\u00e9n (CVE nem lett kijel\u00f6lve). A fennmarad\u00f3 8 s\u00e9r\u00fcl\u00e9kenys\u00e9g eg\u00e9sz sz\u00e1m\u00fa t\u00falcsordul\u00e1sb\u00f3l vagy nullmutat\u00f3k derefer\u00e1l\u00e1s\u00e1b\u00f3l ad\u00f3dik, amelyek szolg\u00e1ltat\u00e1smegtagad\u00e1shoz vagy inform\u00e1ci\u00f3sziv\u00e1rg\u00e1shoz vezethetnek WAV, JPEG2000, AV1, H.264, MOV, MP4, FLV, mDVDsub \u00e9s SRT\/WebVTT adatform\u00e1tumok feldolgoz\u00e1sa sor\u00e1n. A GStreamer s\u00e9r\u00fcl\u00e9kenys\u00e9geit s\u00falyosb\u00edtja, hogy a GNOME-ban haszn\u00e1lj\u00e1k a metaadatok ki\u00e9rt\u00e9kel\u00e9s\u00e9re \u00faj f\u00e1jlok automatikus indexel\u00e9sekor, vagyis elegend\u0151, ha egy f\u00e1jlt a ~ \/Downloads indexelhet\u0151 k\u00f6nyvt\u00e1r\u00e1ba t\u00f6ltenek.\n<li class=\"l\"> A <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/hu\/server\/dts-newyork\/\" title=\"szerveren\" data-wpil-keyword-link=\"linked\">szerveren<\/a> A CUPS nyomtat\u00f3 rendszer\u00e9ben 8 s\u00e9r\u00fcl\u00e9kenys\u00e9get azonos\u00edtottak, ezek k\u00f6z\u00fcl kett\u0151 (CVE-2026-34980, CVE-2026-34990) t\u00e1voli k\u00f3dv\u00e9grehajt\u00e1sra haszn\u00e1lhat\u00f3, root jogokkal, ha a kiv\u00e9telesen kialak\u00edtott k\u00e9r\u00e9st k\u00fcldenek a nyomtat\u00f3 szervernek. Az els\u0151 s\u00e9r\u00fcl\u00e9kenys\u00e9g lehet\u0151v\u00e9 teszi, hogy egy nem hiteles\u00edtett t\u00e1mad\u00f3 lp felhaszn\u00e1l\u00f3i jogokkal hajtson v\u00e9gre k\u00f3dot a nyomtat\u00e1si feladat elk\u00fcld\u00e9s\u00e9vel (a probl\u00e9ma a sor v\u00e9g\u00e9n lev\u0151 escape-karakterek hib\u00e1s kezel\u00e9s\u00e9b\u0151l ad\u00f3dik). A m\u00e1sodik s\u00e9r\u00fcl\u00e9kenys\u00e9g lehet\u0151v\u00e9 teszi, hogy az lp felhaszn\u00e1l\u00f3i jogokr\u00f3l root jogokra emelkedjen, manipul\u00e1lva a root jogokkal rendelkez\u0151 f\u00e1jlokat egy hamis nyomtat\u00f3 helyettes\u00edt\u00e9s\u00e9vel. A s\u00e9r\u00fcl\u00e9kenys\u00e9gek jav\u00edt\u00e1s\u00e1ra szolg\u00e1l\u00f3 CUPS friss\u00edt\u00e9s jelenleg nem el\u00e9rhet\u0151.\n<li class=\"l\"> Megjelent a wolfSSL 5.9.1-es verzi\u00f3j\u00e1nak jav\u00edt\u00f3 kiad\u00e1sa, amely 21 sebezhet\u0151s\u00e9get orvosolt. Az egyik probl\u00e9ma kritikus vesz\u00e9lyeztetetts\u00e9gi szintet kapott, m\u00edg 9 magas (mem\u00f3riak\u00e1rosod\u00e1st okoz\u00f3). A kritikus sebezhet\u0151s\u00e9g (CVE-2026-5194) a hash m\u00e9ret\u00e9nek \u00e9s az OID azonos\u00edt\u00f3nak a m\u00e9ret\u00e9nek ellen\u0151rz\u00e9s\u00e9nek hi\u00e1ny\u00e1b\u00f3l ad\u00f3dik, amely lehet\u0151v\u00e9 teszi, hogy olyan hash-eket adjanak meg, amelyek kisebbek a megengedettn\u00e9l, ezzel cs\u00f6kkentve az ECDSA\/ECC, DSA, ML-DSA, ED25519 \u00e9s ED448 digit\u00e1lis al\u00e1\u00edr\u00e1s kialak\u00edt\u00f3 algoritmusok ellen\u00e1ll\u00f3 k\u00e9pess\u00e9g\u00e9t, valamint megker\u00fclve a tan\u00fas\u00edtv\u00e1nyokon alapul\u00f3 hiteles\u00edt\u00e9st. A sebezhet\u0151s\u00e9get az Anthropic m\u00e9rn\u00f6kei fedezt\u00e9k fel egy AI-modell \u00e1ltal v\u00e9gzett k\u00f3dellen\u0151rz\u00e9s sor\u00e1n.\n<li class=\"l\"> Korrig\u00e1lt kiad\u00e1sok jelentek meg az OpenSSL 3.6.2, 3.5.6, 3.4.5 \u00e9s 3.3.7 titkos\u00edt\u00f3 k\u00f6nyvt\u00e1rban, amelyekben 7 sebezhet\u0151s\u00e9get jav\u00edtottak. A legvesz\u00e9lyesebb sebezhet\u0151s\u00e9g (CVE-2026-31790) potenci\u00e1lisan \u00e9rz\u00e9keny adatok kisziv\u00e1rg\u00e1s\u00e1hoz vezethet, amelyek egy kor\u00e1bbi m\u0171velet ut\u00e1n a pufferben maradtak. A probl\u00e9ma oka a nem inicializ\u00e1lt mem\u00f3ria haszn\u00e1lata volt az RSA KEM RSASVE kulcsok be\u00e1gyaz\u00e1sakor.\n<p>Egy m\u00e1sik sebezhet\u0151s\u00e9g (CVE-2026-31789) puffer t\u00falcsordul\u00e1sb\u00f3l ered, \u00e9s potenci\u00e1lisan k\u00f3dv\u00e9grehajt\u00e1st okozhat a hexadecim\u00e1lis konverzi\u00f3s m\u0171veletek sor\u00e1n, amikor megform\u00e1lt X.509 tan\u00fas\u00edtv\u00e1nyokat dolgoznak fel. A probl\u00e9ma nem min\u0151s\u00fcl vesz\u00e9lyesnek, mivel csak 32 bites platformokon jelentkezik. A t\u00f6bbi sebezhet\u0151s\u00e9g a pufferb\u0151l val\u00f3 adatok olvas\u00e1s\u00e1b\u00f3l, felszabad\u00edtott mem\u00f3ria el\u00e9r\u00e9s\u00e9b\u0151l \u00e9s null pointer derefer\u00e1l\u00e1sb\u00f3l ad\u00f3dik.       <\/p>\n<li class=\"l\"> Az OpenClaw 2026.3.11-es AI-\u00fcgyn\u00f6kben, amely lehet\u0151v\u00e9 teszi az AI-modellek interakci\u00f3j\u00e1t a rendszerspecifikus k\u00f6rnyezetekkel (p\u00e9ld\u00e1ul seg\u00e9dprogramok futtat\u00e1sa \u00e9s f\u00e1jlokkal val\u00f3 munka), egy kritikus sebezhet\u0151s\u00e9get orvosoltak (CVE-2026-32922), amelynek vesz\u00e9lyess\u00e9gi szintje 10-b\u0151l 10. A sebezhet\u0151s\u00e9g abb\u00f3l ad\u00f3dik, hogy a '\/pair approve' parancs nem ellen\u0151rizte megfelel\u0151en a jogosults\u00e1gokat, \u00edgy b\u00e1rmely felhaszn\u00e1l\u00f3, aki a legkisebb jogosults\u00e1ggal rendelkezik a hoszthoz val\u00f3 p\u00e1ros\u00edt\u00e1shoz (amely elegend\u0151 az OpenClawhoz val\u00f3 hozz\u00e1f\u00e9r\u00e9shez), j\u00f3v\u00e1hagyhatta a saj\u00e1t adminisztr\u00e1tori jogait, teljes kontrollt gyakorolva a k\u00f6rnyezet felett. A t\u00e1mad\u00e1s v\u00e9grehajt\u00e1s\u00e1hoz elegend\u0151 csatlakozni az OpenClawhoz, k\u00e9relmezni egy hamis k\u00e9sz\u00fcl\u00e9k regisztr\u00e1l\u00e1s\u00e1t az operator.admin hozz\u00e1f\u00e9r\u00e9ssel, majd a '\/pair approve' paranccsal \u00f6nmaga j\u00f3v\u00e1hagy\u00e1sa ut\u00e1n teljes k\u00f6r\u0171 ir\u00e1ny\u00edt\u00e1st szerezni az megt\u00e1madott OpenClaw p\u00e9ld\u00e1ny \u00e9s az \u00f6sszes kapcsol\u00f3d\u00f3 szolg\u00e1ltat\u00e1s felett.\n<p>N\u00e9h\u00e1ny nappal kor\u00e1bban az OpenClaw-ban egy hasonl\u00f3 sebezhet\u0151s\u00e9get (CVE-2026-33579) fedeztek fel, amely lehet\u0151v\u00e9 tette a hozz\u00e1f\u00e9r\u00e9si jogosults\u00e1gok ellen\u0151rz\u00e9s\u00e9nek megker\u00fcl\u00e9s\u00e9t \u00e9s az adminisztr\u00e1tori jogok megszerz\u00e9s\u00e9t. A probl\u00e9m\u00e1t felfedez\u0151 kutat\u00f3k statisztik\u00e1ja szerint a h\u00e1l\u00f3zaton 135 ezer nyilv\u00e1nosan el\u00e9rhet\u0151 OpenClaw p\u00e9ld\u00e1ny tal\u00e1lhat\u00f3, amelyek k\u00f6z\u00fcl 63% lehet\u0151s\u00e9get ad a hiteles\u00edt\u00e9s n\u00e9lk\u00fcli csatlakoz\u00e1sra.          <\/p>\n<li class=\"l\"> A NixOS disztrib\u00faci\u00f3ban haszn\u00e1lt Nix csomagkezel\u0151ben egy kritikus biztons\u00e1gi r\u00e9s (CVE-2026-39860) ker\u00fclt felfedez\u00e9sre, amely 9-es vesz\u00e9lyess\u00e9gi szintet kapott. Ez a hiba lehet\u0151v\u00e9 teszi b\u00e1rmilyen f\u00e1jl fel\u00fcl\u00edr\u00e1s\u00e1t a rendszeren bel\u00fcl, amennyiben a Nix h\u00e1tt\u00e9rfolyamat jogosults\u00e1gai ezt lehet\u0151v\u00e9 teszik, amely NixOS \u00e9s t\u00f6bbfelhaszn\u00e1l\u00f3s telep\u00edt\u00e9sek sor\u00e1n root jogokkal fut. A probl\u00e9ma a CVE-2024-27297 biztons\u00e1gi r\u00e9s helytelen kezel\u00e9s\u00e9b\u0151l ad\u00f3dik, amely 2024-ben t\u00f6rt\u00e9nt. A kihaszn\u00e1l\u00e1s szimbolikus link cser\u00e9j\u00e9vel t\u00f6rt\u00e9nik egy elk\u00fcl\u00f6n\u00edtett build k\u00f6rnyezetben, ahov\u00e1 a build eredm\u00e9nyei ker\u00fcltek ment\u00e9sre. A hiba kijav\u00edtva a nix 2.34.5, 2.33.4, 2.32.7, 2.31.4, 2.30.4, 2.29.3 \u00e9s 2.28.6 verzi\u00f3kban.\n<li class=\"l\"> A Linux kernelben 5 biztons\u00e1gi r\u00e9st jav\u00edtottak a Claude Code eszk\u00f6zk\u00e9szlet\u00e9vel v\u00e9gzett k\u00eds\u00e9rletek sor\u00e1n, amelyek az nfsd, io_uring, futex \u00e9s ksmbd alrendszereket \u00e9rintik (1, 2). Az NFS illeszt\u0151programban l\u00e9v\u0151 hiba lehet\u0151v\u00e9 teszi a kernel mem\u00f3ria ter\u00fcleteinek tartalm\u00e1nak felfed\u00e9s\u00e9t NFS szerverhez k\u00fcld\u00f6tt k\u00e9r\u00e9sek seg\u00edts\u00e9g\u00e9vel. A probl\u00e9ma a 2.6.0-\u00e1s kernelt\u0151l (2003) kezd\u0151d\u0151en jelentkezik.                <\/ul>\n<p>Forr\u00e1s: <a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=65183\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u043d\u044b\u0445 \u0437\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0438\u0435 \u0434\u043d\u0438 \u043e\u043f\u0430\u0441\u043d\u044b\u0445 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439, \u0431\u043e\u043b\u044c\u0448\u0438\u043d\u0441\u0442\u0432\u043e \u0438\u0437 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043c\u043e\u0436\u043d\u043e \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e: \u0412 \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0435\u043c \u0440\u0435\u043b\u0438\u0437\u0435 \u043c\u0443\u043b\u044c\u0442\u0438\u043c\u0435\u0434\u0438\u0439\u043d\u043e\u0433\u043e \u0444\u0440\u0435\u0439\u043c\u0432\u043e\u0440\u043a\u0430 GStreamer 1.28.2 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u043e 11 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439, \u0438\u0437 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 3 \u0432\u044b\u0437\u0432\u0430\u043d\u044b \u043f\u0435\u0440\u0435\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435\u043c \u0431\u0443\u0444\u0435\u0440\u0430 \u0438 \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043c\u043e\u0433\u0443\u0442 \u043f\u0440\u0438\u0432\u0435\u0441\u0442\u0438 \u043a \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044e \u043a\u043e\u0434\u0430 \u043f\u0440\u0438 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u043d\u044b\u0445 \u043c\u0443\u043b\u044c\u0442\u0438\u043c\u0435\u0434\u0438\u0439\u043d\u044b\u0445 \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u043e\u0432 MKV (CVE \u043d\u0435 \u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d) \u0438 MOV\/MP4 (CVE-2026-5056), \u0430 \u0442\u0430\u043a\u0436\u0435 \u043f\u043e\u0442\u043e\u043a\u043e\u0432 \u0432 \u0444\u043e\u0440\u043c\u0430\u0442\u0435 H.266\/VVC [&hellip;]<\/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-168322","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta 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