{"id":149225,"date":"2025-11-22T11:12:02","date_gmt":"2025-11-22T09:12:02","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimost-v-libpng-privodyashhaya-k-perepolneniyu-bufera-pri-obrabotke-png-izobrazhenij"},"modified":"2025-11-22T11:12:02","modified_gmt":"2025-11-22T09:12:02","slug":"uyazvimost-v-libpng-privodyashhaya-k-perepolneniyu-bufera-pri-obrabotke-png-izobrazhenij","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/novosti-interneta\/uyazvimost-v-libpng-privodyashhaya-k-perepolneniyu-bufera-pri-obrabotke-png-izobrazhenij","title":{"rendered":"Nj\u00eb dob\u00ebsi n\u00eb libpng, e cila \u00e7on n\u00eb mbushje t\u00eb memorjes gjat\u00eb p\u00ebrpunimit t\u00eb imazheve PNG","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

N\u00eb l\u00ebshimin korrektiv t\u00eb bibliotek\u00ebs libpng 1.6.51, e cila p\u00ebrdoret si nj\u00eb var\u00ebsi e drejtp\u00ebrdrejt\u00eb n\u00eb rreth 600 paketa n\u00eb Ubuntu, jan\u00eb eliminuar 4 vulnerabilitete, nj\u00eb prej t\u00eb cilave (CVE-2025-65018) \u00e7on n\u00eb shkruajtje jasht\u00eb kufijve t\u00eb memories. Potencialisht, ky vulnerabilitet lejon ekzekutimin e kodit t\u00eb p\u00ebrdoruesit gjat\u00eb p\u00ebrpunimit t\u00eb skedave t\u00eb formatuara n\u00eb m\u00ebnyr\u00eb specifike n\u00eb formatin PNG. <\/p>\n

Problemi prek aplikacionet q\u00eb p\u00ebrdorin API t\u00eb thjeshtuar (png_image_finish_read) dhe shkaktohet nga nj\u00eb gabim n\u00eb funksionin png_combine_row(). Vulnerabiliteti shfaqet kur p\u00ebrdoret formati i daljes 8-bit RGBA (PNG_FORMAT_RGBA) p\u00ebr imazhe me nj\u00eb p\u00ebrfaq\u00ebsim 16-bit t\u00eb ngjyrave p\u00ebr kanalin dhe kodimin me rrjeshta (interlaced). Tejkalimi ndodh p\u00ebr shkak t\u00eb nj\u00eb p\u00ebrpjekjeje p\u00ebr t\u00eb shkruar t\u00eb dh\u00ebna me nj\u00eb p\u00ebrfaq\u00ebsim 16-bit ngjyrash n\u00eb nj\u00eb memorie me madh\u00ebsi t\u00eb llogaritur p\u00ebr p\u00ebrdorimin 8-bit p\u00ebr \u00e7do kanal ngjyre. <\/p>\n

Tre vulnerabilitetet e tjera (CVE-2025-64505, CVE-2025-64506, CVE-2025-64720) \u00e7ojn\u00eb n\u00eb leximin nga zona e memories jasht\u00eb kufijve t\u00eb memories dhe mund t\u00eb p\u00ebrdoren p\u00ebr t\u00eb shkaktuar nd\u00ebrprerje t\u00eb aplikacionit ose p\u00ebr t\u00eb organizuar rrjedhjen e t\u00eb dh\u00ebnave t\u00eb mbetura nga memoria e procesit. <\/p>\n

Statusi i eliminimit t\u00eb dob\u00ebsive n\u00eb distribucionet mund t\u00eb vler\u00ebsohet n\u00eb k\u00ebto faqe (n\u00ebse faqja nuk \u00ebsht\u00eb e qasshme, at\u00ebher\u00eb zhvilluesit e distribucionit ende nuk kan\u00eb filluar t\u00eb shqyrtojn\u00eb problemin): Debian, Ubuntu, SUSE, RHEL, Arch, Fedora, FreeBSD.
\n
Burimi: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0412 \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0435\u043c \u0432\u044b\u043f\u0443\u0441\u043a\u0435 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 libpng 1.6.51, \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c\u043e\u0439 \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u043f\u0440\u044f\u043c\u043e\u0439 \u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0441\u0442\u0438 \u0443 \u043e\u043a\u043e\u043b\u043e 600 \u043f\u0430\u043a\u0435\u0442\u043e\u0432 \u0432 Ubuntu, \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u044b 4 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438, \u043e\u0434\u043d\u0430 \u0438\u0437 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 (CVE-2025-65018) \u043f\u0440\u0438\u0432\u043e\u0434\u0438\u0442 \u043a \u0437\u0430\u043f\u0438\u0441\u0438 \u0437\u0430 \u0433\u0440\u0430\u043d\u0438\u0446\u0443 \u0431\u0443\u0444\u0435\u0440\u0430. \u041f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u0434\u0430\u043d\u043d\u0430\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0441\u0432\u043e\u0435\u0433\u043e \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 \u0444\u0430\u0439\u043b\u043e\u0432 \u0432 \u0444\u043e\u0440\u043c\u0430\u0442\u0435 PNG. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u0437\u0430\u0442\u0440\u0430\u0433\u0438\u0432\u0430\u0435\u0442 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0449\u0438\u0439 \u0443\u043f\u0440\u043e\u0449\u0451\u043d\u043d\u044b\u0439 API (png_image_finish_read), \u0438 \u0432\u044b\u0437\u0432\u0430\u043d\u0430 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-149225","post","type-post","status-publish","format-standard","hentry","category-novosti-interneta"],"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\udd47Dob\u00ebsia n\u00eb libpng, e cila shkakton mbipopullimin e buffers gjat\u00eb p\u00ebrpunimit t\u00eb imazheve PNG | ProHoster","description":"N\u00eb azhurnimin korrektues t\u00eb bibliotek\u00ebs libpng 1.6.51, e cila p\u00ebrdoret si var\u00ebsi direkte n\u00eb rreth 600 paketa n\u00eb Ubuntu, jan\u00eb eliminuar 4 dob\u00ebsi, nj\u00ebra nga t\u00eb cilat (CVE-2025-65018) shkakton shkrim p\u00ebrtej kufijve t\u00eb buffers. 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