{"id":168710,"date":"2026-04-14T17:12:53","date_gmt":"2026-04-14T15:12:53","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimost-v-python-bibliotekah-lzma-bz2-i-gzip-potenczialno-privodyashhaya-k-vypolneniyu-koda"},"modified":"2026-04-14T17:12:53","modified_gmt":"2026-04-14T15:12:53","slug":"uyazvimost-v-python-bibliotekah-lzma-bz2-i-gzip-potenczialno-privodyashhaya-k-vypolneniyu-koda","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/uyazvimost-v-python-bibliotekah-lzma-bz2-i-gzip-potenczialno-privodyashhaya-k-vypolneniyu-koda","title":{"rendered":"Sebezhet\u0151s\u00e9gek a Python k\u00f6nyvt\u00e1rakban lzma, bz2 \u00e9s gzip, amelyek potenci\u00e1lisan k\u00f3d v\u00e9grehajt\u00e1s\u00e1hoz vezethetnek","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

A CPython csomagban tal\u00e1lhat\u00f3 t\u00f6m\u00f6r\u00edtett adatok kicsomagol\u00e1s\u00e1\u00e9rt felel\u0151s oszt\u00e1lyaiban, amelyeket az lzma, bz2 \u00e9s gzip form\u00e1tumokhoz haszn\u00e1lnak (lzma.LZMADecompressor, bz2.BZ2Decompressor \u00e9s gzip.GzipFile), egy s\u00e9r\u00fcl\u00e9kenys\u00e9get fedeztek fel (CVE-2026-6100), amely mem\u00f3riahozz\u00e1f\u00e9r\u00e9st id\u00e9zhet el\u0151 a mem\u00f3ria felszabad\u00edt\u00e1sa ut\u00e1n. A probl\u00e9ma kritikus vesz\u00e9lyess\u00e9gi szintet kapott (9,1 a 10-b\u0151l) \u2014 sikeres kihaszn\u00e1l\u00e1s eset\u00e9n a s\u00e9r\u00fcl\u00e9kenys\u00e9g a folyamat mem\u00f3ri\u00e1j\u00e1b\u00f3l val\u00f3 inform\u00e1ci\u00f3sziv\u00e1rg\u00e1shoz vagy a t\u00e1mad\u00f3 k\u00f3dj\u00e1nak v\u00e9grehajt\u00e1s\u00e1hoz vezethet a kifejezetten elk\u00e9sz\u00edtett adatok kicsomagol\u00e1sa sor\u00e1n. A jav\u00edt\u00e1s jelenleg patch form\u00e1j\u00e1ban \u00e9rhet\u0151 el. <\/p>\n

A probl\u00e9ma a mem\u00f3riaallok\u00e1ci\u00f3s m\u0171velet befejez\u00e9se ut\u00e1n jelentkezik, hiba fell\u00e9p\u00e9se k\u00f6vetkezt\u00e9ben, amely mem\u00f3riahi\u00e1ny miatt k\u00f6vetkezik be (a sebezhet\u0151s\u00e9g sikeres kihaszn\u00e1l\u00e1s\u00e1hoz a t\u00e1mad\u00f3nak olyan k\u00f6r\u00fclm\u00e9nyeket kell l\u00e9trehoznia, hogy a folyamat rendelkez\u00e9sre \u00e1ll\u00f3 mem\u00f3ri\u00e1ja kimer\u00fclj\u00f6n). A m\u00e1r felszabad\u00edtott mem\u00f3ria el\u00e9r\u00e9si probl\u00e9m\u00e1ja azokban az alkalmaz\u00e1sokban fordul el\u0151, amelyek \u00fajra felhaszn\u00e1lj\u00e1k az objektum p\u00e9ld\u00e1ny\u00e1t a hiba visszat\u00e9r\u00e9se ut\u00e1n a kicsomagol\u00e1si folyamat sor\u00e1n. Azok az alkalmaz\u00e1sok, amelyek minden h\u00edv\u00e1skor \u00faj p\u00e9ld\u00e1nyt hoznak l\u00e9tre, nem \u00e9rz\u00e9kenyek a sebezhet\u0151s\u00e9gre.
\n
Forr\u00e1s: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0412 \u043f\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u043c\u044b\u0445 \u0432 \u0441\u043e\u0441\u0442\u0430\u0432\u0435 CPython \u043a\u043b\u0430\u0441\u0441\u0430\u0445 \u0440\u0430\u0441\u043f\u0430\u043a\u043e\u0432\u043a\u0438 \u0441\u0436\u0430\u0442\u044b\u0445 \u0434\u0430\u043d\u043d\u044b\u0445 \u0432 \u0444\u043e\u0440\u043c\u0430\u0442\u0430\u0445 lzma, bz2 \u0438 gzip (lzma.LZMADecompressor, bz2.BZ2Decompressor \u0438 gzip.GzipFile) \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2026-6100), \u043f\u0440\u0438\u0432\u043e\u0434\u044f\u0449\u0430\u044f \u043a \u043e\u0431\u0440\u0430\u0449\u0435\u043d\u0438\u044e \u043a \u043f\u0430\u043c\u044f\u0442\u0438 \u043f\u043e\u0441\u043b\u0435 \u0435\u0451 \u043e\u0441\u0432\u043e\u0431\u043e\u0436\u0434\u0435\u043d\u0438\u044f. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u043f\u0440\u0438\u0441\u0432\u043e\u0435\u043d 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[…]<\/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-168710","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\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\udd47Sebezhet\u0151s\u00e9gek a Python k\u00f6nyvt\u00e1rakban lzma, bz2 \u00e9s gzip, potenci\u00e1lisan k\u00f3d v\u00e9grehajt\u00e1s\u00e1hoz vezethetnek | ProHoster","description":"A CPython keret\u00e9ben sz\u00e1ll\u00edtott, t\u00f6m\u00f6r\u00edtett adatok kicsomagol\u00e1s\u00e1ra szolg\u00e1l\u00f3 oszt\u00e1lyokban lzma, bz2 \u00e9s gzip form\u00e1tumokban (lzma.LZMADecompressor, bz2.BZ2Decompressor \u00e9s 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