{"schema_version":"1.7.5","id":"openSUSE-SU-2026:21372-1","published":"2026-07-18T09:46:55Z","modified":"2026-07-22T18:25:10.918196100Z","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"],"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"],"summary":"Security update for python-aiohttp","details":"This 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).\n","affected":[{"package":{"name":"python-aiohttp","ecosystem":"openSUSE:Leap 16.0","purl":"pkg:rpm/opensuse/python-aiohttp&distro=openSUSE%20Leap%2016.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.11.16-160000.6.1"}]}],"ecosystem_specific":{"binaries":[{"python313-aiohttp":"3.11.16-160000.6.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/openSUSE-SU-2026:21372-1.json"}}],"references":[{"type":"ADVISORY"},{"type":"REPORT","url":"https://bugzilla.suse.com/1268398"},{"type":"REPORT","url":"https://bugzilla.suse.com/1268543"},{"type":"REPORT","url":"https://bugzilla.suse.com/1268544"},{"type":"REPORT","url":"https://bugzilla.suse.com/1268549"},{"type":"REPORT","url":"https://bugzilla.suse.com/1268556"},{"type":"REPORT","url":"https://bugzilla.suse.com/1268559"},{"type":"REPORT","url":"https://bugzilla.suse.com/1268560"},{"type":"REPORT","url":"https://bugzilla.suse.com/1268561"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-50269"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-54273"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-54274"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-54275"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-54277"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-54278"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-54279"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-54280"}]}