{"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\/cs\/blog\/news\/uyazvimost-v-python-bibliotekah-lzma-bz2-i-gzip-potenczialno-privodyashhaya-k-vypolneniyu-koda","title":{"rendered":"Zranitelnost v knihovn\u00e1ch Pythonu lzma, bz2 a gzip, potenci\u00e1ln\u011b vedouc\u00ed k vykon\u00e1n\u00ed k\u00f3du","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

V dod\u00e1van\u00fdch t\u0159\u00edd\u00e1ch CPython pro dekompresi dat ve form\u00e1tech lzma, bz2 a gzip (lzma.LZMADecompressor, bz2.BZ2Decompressor a gzip.GzipFile) byla odhalena zranitelnost (CVE-2026-6100), kter\u00e1 vede k p\u0159\u00edstupu k pam\u011bti po jej\u00edm uvoln\u011bn\u00ed. Probl\u00e9m byl p\u0159i\u0159azen kritick\u00e9 \u00farovni nebezpe\u010d\u00ed (9,1 z 10) \u2014 v p\u0159\u00edpad\u011b \u00fasp\u011b\u0161n\u00e9ho zneu\u017eit\u00ed m\u016f\u017ee zranitelnost v\u00e9st k \u00faniku informac\u00ed z pam\u011bti procesu nebo k proveden\u00ed k\u00f3du \u00fato\u010dn\u00edka p\u0159i dekompresi speci\u00e1ln\u011b vytvo\u0159en\u00fdch dat. Oprava je zat\u00edm k dispozici ve form\u011b patche. <\/p>\n

Probl\u00e9m se projevuje po ukon\u010den\u00ed operace alokace pam\u011bti chybou, kter\u00e1 nastane p\u0159i nedostatku pam\u011bti (pro \u00fasp\u011b\u0161n\u00e9 zneu\u017eit\u00ed zranitelnosti mus\u00ed \u00fato\u010dn\u00edk vytvo\u0159it podm\u00ednky pro vy\u010derp\u00e1n\u00ed dostupn\u00e9 pam\u011bti procesu). P\u0159\u00edstup k ji\u017e uvoln\u011bn\u00e9 pam\u011bti se objevuje v aplikac\u00edch, kter\u00e9 znovu pou\u017e\u00edvaj\u00ed instanci objektu po vr\u00e1cen\u00ed chyby b\u011bhem dekomprese. Aplikace, kter\u00e9 p\u0159i ka\u017ed\u00e9m vol\u00e1n\u00ed vytv\u00e1\u0159ej\u00ed novou instanci objektu, nejsou zraniteln\u00e9.
\n
Zdroj: 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\udd47Zranitelnost v Python knihovn\u00e1ch lzma, bz2 a gzip, kter\u00e1 potenci\u00e1ln\u011b m\u016f\u017ee v\u00e9st k prov\u00e1d\u011bn\u00ed k\u00f3du | ProHoster","description":"V dod\u00e1van\u00fdch t\u0159\u00edd\u00e1ch pro dekompresi dat ve form\u00e1tech lzma, bz2 a gzip (lzma.LZMADecompressor, bz2.BZ2Decompressor a gzip.GzipFile) byla zji\u0161t\u011bna zranitelnost (CVE-2026-6100), kter\u00e1 vede k 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