{"id":"SUSE-SU-2026:4031-1","summary":"Security update for python-aiohttp","details":"This update for python-aiohttp fixes the following issues:\n\n- CVE-2026-59881: excessive resource consumption due to WebSocket client accepting compressed frames without negotiated\n  permessage-deflate (bsc#1273125).\n- CVE-2026-69243: HTTP request smuggling via the WebSocket upgrade procedure (bsc#1273553).\n- CVE-2026-69244: out-of-bounds heap read in the C response parser while building an error message for a malformed\n  response (bsc#1273552).\n","modified":"2026-09-13T18:23:35.772415435Z","published":"2026-09-07T07:46:19Z","related":["CVE-2026-59881","CVE-2026-69243","CVE-2026-69244"],"upstream":["CVE-2026-59881","CVE-2026-69243","CVE-2026-69244"],"references":[{"type":"ADVISORY","url":"https://www.suse.com/support/update/announcement/2026/suse-su-20264031-1/"},{"type":"REPORT","url":"https://bugzilla.suse.com/1273125"},{"type":"REPORT","url":"https://bugzilla.suse.com/1273552"},{"type":"REPORT","url":"https://bugzilla.suse.com/1273553"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-59881"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-69243"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-69244"}],"affected":[{"package":{"name":"python-aiohttp","ecosystem":"SUSE:Linux Enterprise Module for Public Cloud 15 SP4","purl":"pkg:rpm/suse/python-aiohttp&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.9.3-150400.10.46.1"}]}],"ecosystem_specific":{"binaries":[{"python311-aiohttp":"3.9.3-150400.10.46.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4031-1.json"}},{"package":{"name":"python-aiohttp","ecosystem":"SUSE:Linux Enterprise Module for Python 3 15 SP7","purl":"pkg:rpm/suse/python-aiohttp&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Python%203%2015%20SP7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.9.3-150400.10.46.1"}]}],"ecosystem_specific":{"binaries":[{"python311-aiohttp":"3.9.3-150400.10.46.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4031-1.json"}}],"schema_version":"1.9.0"}