{"id":"SUSE-SU-2026:3059-1","summary":"Security update for python-aiohttp","details":"This update for python-aiohttp fixes the following issues\n\n- CVE-2026-22815: insufficient header/trailer handling can cause a denial of service (bsc#1261320).\n- CVE-2026-34513: unbounded DNS cache can cause a denial of service (bsc#1261321).\n- CVE-2026-34514: content_type parameter manipulation can lead to header Injection (bsc#1261322).\n- CVE-2026-34516: excessive multipart headers can cause a denial of service (bsc#1261329).\n- CVE-2026-34517: large multipart form fields can cause a denial of service (bsc#1261331).\n- CVE-2026-34518: retained Cookie and Proxy-Authorization headers during redirects can lead to information disclosure (bsc#1261332).\n- CVE-2026-34519: reason parameter can be use to perform header injection (bsc#1261334).\n- CVE-2026-34520: improper character handling can lead to header injection (bsc#1261335).\n- CVE-2026-34525: multiple Host headers can potentially lead to security bypass (bsc#1261343).\n- CVE-2026-34993: arbitrary code execution via loading untrusted input in CookieJar.load() (bsc#1267471).\n- CVE-2026-47265: cookies set with the `cookies` parameter on requests are sent after following a cross-origin redirect (bsc#1267561).\n","modified":"2026-07-16T10:00:10.277019028Z","published":"2026-07-15T13:34:42Z","related":["CVE-2026-22815","CVE-2026-34513","CVE-2026-34514","CVE-2026-34516","CVE-2026-34517","CVE-2026-34518","CVE-2026-34519","CVE-2026-34520","CVE-2026-34525","CVE-2026-34993","CVE-2026-47265"],"upstream":["CVE-2026-22815","CVE-2026-34513","CVE-2026-34514","CVE-2026-34516","CVE-2026-34517","CVE-2026-34518","CVE-2026-34519","CVE-2026-34520","CVE-2026-34525","CVE-2026-34993","CVE-2026-47265"],"references":[{"type":"ADVISORY","url":"https://www.suse.com/support/update/announcement/2026/suse-su-20263059-1/"},{"type":"REPORT","url":"https://bugzilla.suse.com/1261320"},{"type":"REPORT","url":"https://bugzilla.suse.com/1261321"},{"type":"REPORT","url":"https://bugzilla.suse.com/1261322"},{"type":"REPORT","url":"https://bugzilla.suse.com/1261329"},{"type":"REPORT","url":"https://bugzilla.suse.com/1261331"},{"type":"REPORT","url":"https://bugzilla.suse.com/1261332"},{"type":"REPORT","url":"https://bugzilla.suse.com/1261334"},{"type":"REPORT","url":"https://bugzilla.suse.com/1261335"},{"type":"REPORT","url":"https://bugzilla.suse.com/1261343"},{"type":"REPORT","url":"https://bugzilla.suse.com/1267471"},{"type":"REPORT","url":"https://bugzilla.suse.com/1267561"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-22815"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-34513"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-34514"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-34516"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-34517"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-34518"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-34519"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-34520"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-34525"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-34993"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-47265"}],"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":"3.6.0-150100.3.35.1"}]}],"ecosystem_specific":{"binaries":[{"python3-aiohttp":"3.6.0-150100.3.35.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:3059-1.json"}},{"package":{"name":"python-aiohttp","ecosystem":"SUSE:Linux Enterprise Module for Public Cloud 15 SP5","purl":"pkg:rpm/suse/python-aiohttp&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.0-150100.3.35.1"}]}],"ecosystem_specific":{"binaries":[{"python3-aiohttp":"3.6.0-150100.3.35.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:3059-1.json"}},{"package":{"name":"python-aiohttp","ecosystem":"SUSE:Linux Enterprise Module for Public Cloud 15 SP6","purl":"pkg:rpm/suse/python-aiohttp&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.0-150100.3.35.1"}]}],"ecosystem_specific":{"binaries":[{"python3-aiohttp":"3.6.0-150100.3.35.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:3059-1.json"}},{"package":{"name":"python-aiohttp","ecosystem":"SUSE:Linux Enterprise Module for Public Cloud 15 SP7","purl":"pkg:rpm/suse/python-aiohttp&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.0-150100.3.35.1"}]}],"ecosystem_specific":{"binaries":[{"python3-aiohttp":"3.6.0-150100.3.35.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:3059-1.json"}}],"schema_version":"1.7.5"}