{"vulnerability": "CVE-2026-6421", "sightings": [{"uuid": "3a3a1123-4f20-4c92-ad46-fe3a7334e4a8", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-6421", "type": "seen", "source": "Telegram/tG2JfBYkK87mHaeOPjoo4KUh_b5Z5XakpvfcfSoidkAS14Y", "content": "", "creation_timestamp": "2026-04-17T07:16:22.000000Z"}, {"uuid": "7fa1c2f3-f02f-4e0f-b6b0-d8eeed53062e", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-64218", "type": "seen", "source": "https://www.hkcert.org/security-bulletin/ubuntu-linux-kernel-multiple-vulnerabilities_20260803", "content": "", "creation_timestamp": "2026-08-03T09:19:50.347573Z"}, {"uuid": "55d908ff-1623-4e85-a2a6-21c3401e0b98", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-64219", "type": "seen", "source": "https://www.hkcert.org/security-bulletin/ubuntu-linux-kernel-multiple-vulnerabilities_20260803", "content": "", "creation_timestamp": "2026-08-03T09:19:52.562528Z"}, {"uuid": "2790ad53-1cbb-4c61-9cad-1372ec67e00a", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-6421", "type": "seen", "source": "https://t.me/bdufstecru/3297", "content": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 msimg32.dll \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0430 \u0434\u043b\u044f \u0443\u0434\u0430\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u0430\u0434\u043c\u0438\u043d\u0438\u0441\u0442\u0440\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f Mobatek MobaXterm \u0441\u0432\u044f\u0437\u0430\u043d\u0430 \u0441 \u043d\u0435\u043a\u043e\u043d\u0442\u0440\u043e\u043b\u0438\u0440\u0443\u0435\u043c\u044b\u043c \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u043c \u043f\u0443\u0442\u0438 \u043f\u043e\u0438\u0441\u043a\u0430. \u042d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043c\u043e\u0436\u0435\u0442 \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u0442\u044c \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u044b\u0439 \u043a\u043e\u0434\n\nBDU:2026-09305\nCVE-2026-6421\n\n\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0439 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044f:\nhttps://mobaxterm.mobatek.net/download-home-edition.html\nhttps://download.mobatek.net/2622026032581854/MobaXterm_Installer_v26.2.zip", "creation_timestamp": "2026-07-14T01:00:04.460189Z"}, {"uuid": "c9ab0ce9-fb79-4010-bf15-2ad972f2c83b", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-6421", "type": "seen", "source": "Telegram/G9HreL550hRAFaAR8qW2BMwez1E27QUu1xHndCMIzM5T1KA", "content": "", "creation_timestamp": "2026-07-16T19:00:20.773064Z"}, {"uuid": "52027e83-7dd7-46a8-9c07-0d4318bb6a0d", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-6421", "type": "published-proof-of-concept", "source": "Telegram/G9HreL550hRAFaAR8qW2BMwez1E27QUu1xHndCMIzM5T1KA", "content": "", "creation_timestamp": "2026-07-18T00:00:23.327007Z"}, {"uuid": "fbe55fb0-820a-4d79-bb35-d4d01107e246", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-64212", "type": "seen", "source": "https://infosec.exchange/users/vuldb/statuses/116977339433684369", "content": "A new vulnerability with increased severity was disclosed for Linux Kernel (CVE-2026-64212) https://vuldb.com/vuln/382947", "creation_timestamp": "2026-07-24T22:35:48.246963Z"}, {"uuid": "a09a0b5a-006e-44ed-9336-667f3c6581be", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-64218", "type": "seen", "source": "https://infosec.exchange/users/vuldb/statuses/116977233872144830", "content": "There is a new vulnerability with elevated criticality in Linux Kernel (CVE-2026-64218) https://vuldb.com/vuln/382956", "creation_timestamp": "2026-07-24T22:08:57.212606Z"}, {"uuid": "2dd1dec7-7f57-4a15-8a5f-07792df05f5b", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-64216", "type": "seen", "source": "https://bsky.app/profile/stackflag.bsky.social/post/3mrm7v3s6ie2s", "content": "CVE-2026-64216 - linux\nA vulnerability in the Linux kernel's file system could cause data corruption when a file is being written to. This issue has been fixed in the latest kernel update. We recommend updating to the\u2026\n\nToo many irrelevant or confusing CVEs? Use stackflag.com\n\n#linux #CVE #infosec", "creation_timestamp": "2026-07-27T06:02:04.609612Z"}, {"uuid": "b0733cde-ad4e-4357-b6c3-74b535cb3908", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-64216", "type": "seen", "source": "https://bsky.app/profile/o2cloud.bsky.social/post/3muoy24g4c32a", "content": "\ud83d\udd17 CVE : CVE-2025-40074, CVE-2026-64216, CVE-2026-64581, CVE-2026-74626, CVE-2026-74653, CVE-2026-74662, CVE-2026-80536, CVE-2026-80557, CVE-2026-80562, CVE-2026-80572, CVE-2026-80583, CVE-2026-80590, CVE-2026-80725", "creation_timestamp": "2026-09-04T12:35:17.269712Z"}, {"uuid": "d465c313-0f98-4b7c-a5de-7a87ca9429c3", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-6421", "type": "seen", "source": "https://infosec.exchange/users/cR0w/statuses/117354399908091855", "content": "RE: https://mastodon.bsd.cafe/@stefano/117354014226641780\nSure glad I moved my main workstation to Debian. :brdAngry: \nCVE-2024-5256CVE-2024-5809CVE-2025-2181CVE-2025-2210CVE-2025-2212CVE-2025-3820CVE-2025-3823CVE-2025-3862CVE-2025-3983CVE-2025-3992CVE-2025-4006CVE-2025-4010CVE-2025-4013CVE-2025-4016CVE-2026-10007CVE-2026-100079CVE-2026-2313CVE-2026-4319CVE-2026-4334CVE-2026-4596CVE-2026-5294CVE-2026-5301CVE-2026-5308CVE-2026-5310CVE-2026-5311CVE-2026-5325CVE-2026-5331CVE-2026-6405CVE-2026-6407CVE-2026-6408CVE-2026-6421CVE-2026-6828CVE-2026-6830CVE-2026-6833CVE-2026-7233CVE-2026-7240CVE-2026-7241CVE-2026-7243CVE-2026-7248CVE-2026-7249CVE-2026-7425CVE-2026-7426CVE-2026-7428CVE-2026-7429CVE-2026-7433CVE-2026-7449CVE-2026-7452CVE-2026-7473CVE-2026-7475CVE-2026-8052CVE-2026-8067CVE-2026-8075CVE-2026-8076CVE-2026-8077CVE-2026-8078CVE-2026-8079CVE-2026-8080CVE-2026-8082CVE-2026-8083CVE-2026-8084CVE-2026-8085CVE-2026-8086CVE-2026-8087CVE-2026-8091CVE-2026-8092CVE-2026-8093CVE-2026-8094CVE-2026-8095CVE-2026-8096CVE-2026-8097CVE-2026-8098CVE-2026-8099CVE-2026-8100CVE-2026-8101CVE-2026-8943CVE-2026-8944CVE-2026-8945CVE-2026-8946CVE-2026-8947CVE-2026-8948CVE-2026-8949CVE-2026-8950CVE-2026-8951CVE-2026-8952CVE-2026-8953CVE-2026-8954CVE-2026-8955CVE-2026-8956CVE-2026-8957CVE-2026-8958CVE-2026-8959CVE-2026-8960CVE-2026-8961CVE-2026-8962CVE-2026-8963CVE-2026-8964CVE-2026-8965CVE-2026-8966CVE-2026-8967CVE-2026-8968CVE-2026-8969CVE-2026-8970CVE-2026-8971CVE-2026-8972CVE-2026-8973CVE-2026-8974CVE-2026-8975CVE-2026-8976CVE-2026-8977CVE-2026-8978CVE-2026-8979CVE-2026-8980CVE-2026-8981CVE-2026-8982CVE-2026-8983CVE-2026-8984CVE-2026-8985CVE-2026-8986CVE-2026-8987CVE-2026-8988CVE-2026-8989CVE-2026-8990CVE-2026-8992CVE-2026-8993CVE-2026-8994CVE-2026-8995CVE-2026-8996CVE-2026-8997CVE-2026-8998CVE-2026-8999CVE-2026-9000CVE-2026-9001CVE-2026-9002CVE-2026-9003CVE-2026-9004CVE-2026-9005CVE-2026-9006CVE-2026-9007CVE-2026-9008CVE-2026-9009CVE-2026-9010CVE-2026-9011CVE-2026-9012CVE-2026-9013CVE-2026-9014CVE-2026-9015CVE-2026-9016CVE-2026-9017CVE-2026-9018CVE-2026-9019CVE-2026-9020CVE-2026-9021CVE-2026-9022CVE-2026-9023CVE-2026-9024CVE-2026-9025CVE-2026-9026CVE-2026-9027CVE-2026-9028CVE-2026-9029CVE-2026-9030CVE-2026-9031CVE-2026-9032CVE-2026-9033CVE-2026-9034CVE-2026-9035CVE-2026-9036CVE-2026-9037CVE-2026-9038CVE-2026-9039CVE-2026-9040CVE-2026-9041CVE-2026-9042CVE-2026-9043CVE-2026-9247CVE-2026-9248CVE-2026-9249CVE-2026-9250CVE-2026-9251CVE-2026-9252CVE-2026-9303CVE-2026-9304CVE-2026-9305CVE-2026-9306CVE-2026-9307CVE-2026-9308CVE-2026-9309CVE-2026-9310CVE-2026-9311CVE-2026-9312CVE-2026-9313CVE-2026-9314CVE-2026-9315CVE-2026-9316CVE-2026-9317CVE-2026-9318CVE-2026-9319CVE-2026-9320CVE-2026-9321CVE-2026-9322CVE-2026-9323CVE-2026-9324CVE-2026-9325CVE-2026-9326CVE-2026-9327CVE-2026-9328CVE-2026-9378CVE-2026-9379CVE-2026-9380CVE-2026-9381CVE-2026-9382CVE-2026-9383CVE-2026-9740CVE-2026-9741CVE-2026-9742CVE-2026-9743CVE-2026-9744CVE-2026-9745CVE-2026-9747CVE-2026-9748CVE-2026-9749CVE-2026-9750CVE-2026-9751CVE-2026-9752CVE-2026-9753CVE-2026-9754CVE-2026-9755CVE-2026-9756CVE-2026-9757CVE-2026-9758CVE-2026-9759CVE-2026-9760CVE-2026-9761CVE-2026-9789CVE-2026-9790CVE-2026-9791CVE-2026-9792CVE-2026-9793CVE-2026-9794CVE-2026-9795CVE-2026-9796CVE-2026-9797CVE-2026-9798CVE-2026-9799CVE-2026-9800CVE-2026-9801CVE-2026-9802CVE-2026-9803CVE-2026-9804CVE-2026-9805CVE-2026-9806CVE-2026-9807CVE-2026-9808CVE-2026-9809CVE-2026-9810CVE-2026-9811CVE-2026-9812CVE-2026-9813CVE-2026-9814CVE-2026-9815CVE-2026-9816", "creation_timestamp": "2026-09-29T12:47:16.625679Z"}, {"uuid": "4d6bbe0a-b837-48e3-a177-192d41f03d7a", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-64210", "type": "seen", "source": "https://www.hkcert.org/security-bulletin/debian-linux-kernel-multiple-vulnerabilities_20261002", "content": "", "creation_timestamp": "2026-10-01T18:00:00.000000Z"}, {"uuid": "406c652f-9457-48ce-910e-e9b324e61c54", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-64212", "type": "seen", "source": "https://www.hkcert.org/security-bulletin/ubuntu-linux-kernel-multiple-vulnerabilities_20261002", "content": "", "creation_timestamp": "2026-10-01T18:00:00.000000Z"}, {"uuid": "04d75b65-dde7-4e75-afa2-6209d5458096", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-64210", "type": "seen", "source": "https://www.hkcert.org/security-bulletin/ubuntu-linux-kernel-multiple-vulnerabilities_20261002", "content": "", "creation_timestamp": "2026-10-01T18:00:00.000000Z"}, {"uuid": "04b721a5-6eaa-4621-a5c0-f04bce2b9f2c", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-64213", "type": "seen", "source": "https://www.hkcert.org/security-bulletin/ubuntu-linux-kernel-multiple-vulnerabilities_20261002", "content": "", "creation_timestamp": "2026-10-01T18:00:00.000000Z"}, {"uuid": "3ce3f0c7-9dac-4c8a-8aaa-2670cc6083aa", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-64218", "type": "seen", "source": "https://www.hkcert.org/security-bulletin/ubuntu-linux-kernel-multiple-vulnerabilities_20261002", "content": "", "creation_timestamp": "2026-10-01T18:00:00.000000Z"}, {"uuid": "898dd81a-c149-487c-8a7e-9390152abdd4", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-64219", "type": "seen", "source": "https://www.hkcert.org/security-bulletin/ubuntu-linux-kernel-multiple-vulnerabilities_20261002", "content": "", "creation_timestamp": "2026-10-01T18:00:00.000000Z"}, {"uuid": "549ba816-f38c-4629-88a1-212097c4e5d4", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-64211", "type": "seen", "source": "https://www.hkcert.org/security-bulletin/ubuntu-linux-kernel-multiple-vulnerabilities_20261002", "content": "", "creation_timestamp": "2026-10-01T18:00:00.000000Z"}, {"uuid": "d8d9a789-fa43-40a6-ae4d-721957d46a6a", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-64214", "type": "seen", "source": "https://www.hkcert.org/security-bulletin/ubuntu-linux-kernel-multiple-vulnerabilities_20261002", "content": "", "creation_timestamp": "2026-10-01T18:00:00.000000Z"}, {"uuid": "76e265c1-1bd1-4bf3-a7b4-4122ffe7f880", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-64215", "type": "seen", "source": "https://www.hkcert.org/security-bulletin/ubuntu-linux-kernel-multiple-vulnerabilities_20261002", "content": "", "creation_timestamp": "2026-10-01T18:00:00.000000Z"}, {"uuid": "c739c61f-a904-4479-9a1a-e53dcfe558ab", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-64216", "type": "seen", "source": "https://www.hkcert.org/security-bulletin/ubuntu-linux-kernel-multiple-vulnerabilities_20261002", "content": "", "creation_timestamp": "2026-10-01T18:00:00.000000Z"}, {"uuid": "ea5db901-3791-47bb-a810-b8391fc5903a", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-64217", "type": "seen", "source": "https://www.hkcert.org/security-bulletin/ubuntu-linux-kernel-multiple-vulnerabilities_20261002", "content": "", "creation_timestamp": "2026-10-01T18:00:00.000000Z"}]}