{"schemaVersion":3,"id":"SUSE-SU-2026:3208-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Security update for python-aiohttp\n\nThis update for python-aiohttp fixes the following issues:\n\n- CVE-2026-50269: improper validation of user-controlled strings allows for CRLF injection in multipart headers\n  (bsc#1268398).\n- CVE-2026-54273: no limit in the HTTP/1 pipelined request queue can lead to excessive resource consumption\n  (bsc#1268543).\n- CVE-2026-54274: incomplete websocket frame payloads can bypass memory use limits and cause a DoS via excessive\n  resource consumption (bsc#1268544).\n- CVE-2026-54275: `server_hostname` TLS SNI check bypass when an existing connection is reused (bsc#1268549).\n- CVE-2026-54277: `max_line_size` bypass when using the optimised C HTTP parser can lead to excessive resource\n  consumption (bsc#1268556).\n- CVE-2026-54278: unread compressed request bodies can bypass `client_max_size` during cleanup and cause a DoS\n  (bsc#1268559).\n- CVE-2026-54279: host-only cookies become domain cookies after `CookieJar` persistence (bsc#1268560).\n- CVE-2026-54280: payload resources are not closed correctly when a client disconnects in the middle of a write and\n  can cause resource starvation (bsc#1268561).","dates":{"published":"2026-07-23T14:11:27.000Z","modified":"2026-07-24T17:16:06.420Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":null,"severity":"unknown","version":null,"versionLabel":null,"source":null,"vector":null,"computed":false,"selection":"none"},"metrics":[]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[],"affected":[{"vendor":"suse","product":"python-aiohttp&distro=SUSE Linux Enterprise Module for Public Cloud 15 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3.6.0-150100.3.38.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 3.6.0-150100.3.38.1","eol":null,"hubHref":null}],"affectedCount":4,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-20263208-1/","label":"www.suse.com/support/update/announcement/2026/suse-su-20263208-1/","hostname":"www.suse.com","tags":["Advisory"]},{"url":"https://bugzilla.suse.com/1268398","label":"bugzilla.suse.com/1268398","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1268543","label":"bugzilla.suse.com/1268543","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1268544","label":"bugzilla.suse.com/1268544","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1268549","label":"bugzilla.suse.com/1268549","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1268556","label":"bugzilla.suse.com/1268556","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1268559","label":"bugzilla.suse.com/1268559","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1268560","label":"bugzilla.suse.com/1268560","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1268561","label":"bugzilla.suse.com/1268561","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://www.suse.com/security/cve/CVE-2026-50269","label":"www.suse.com/security/cve/CVE-2026-50269","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-54273","label":"www.suse.com/security/cve/CVE-2026-54273","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-54274","label":"www.suse.com/security/cve/CVE-2026-54274","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-54275","label":"www.suse.com/security/cve/CVE-2026-54275","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-54277","label":"www.suse.com/security/cve/CVE-2026-54277","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-54278","label":"www.suse.com/security/cve/CVE-2026-54278","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-54279","label":"www.suse.com/security/cve/CVE-2026-54279","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-54280","label":"www.suse.com/security/cve/CVE-2026-54280","hostname":"www.suse.com","tags":["WEB"]}],"lineage":{"upstream":["CVE-2026-50269","CVE-2026-54273","CVE-2026-54274","CVE-2026-54275","CVE-2026-54277","CVE-2026-54278","CVE-2026-54279","CVE-2026-54280"],"downstream":[],"duplicates":[],"related":["CVE-2026-50269","CVE-2026-54273","CVE-2026-54274","CVE-2026-54275","CVE-2026-54277","CVE-2026-54278","CVE-2026-54279","CVE-2026-54280"]},"timeline":[{"kind":"published","date":"2026-07-23T14:11:27.000Z","label":"Published","detail":"Vulnerability 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