{"id":"DEBIAN-CVE-2026-67353","details":"guzzlehttp/guzzle versions before 7.15.1 contain a denial of service vulnerability in the CookieJar that accepts unlimited Set-Cookie header fields with no size restrictions. Attackers can return many large cookies from a malicious server, causing Guzzle to store excessive data in memory and generate oversized Cookie headers that fail in handlers or destination servers.","modified":"2026-09-09T09:00:43.269489075Z","published":"2026-08-01T13:17:06Z","upstream":["CVE-2026-67353"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-67353"}],"affected":[{"package":{"name":"guzzle","ecosystem":"Debian:12","purl":"pkg:deb/debian/guzzle?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.11.0-1","7.12.0-1","7.12.1-1","7.12.3-1","7.13.1-1","7.14.0-1","7.14.1-1","7.14.2-1","7.15.0-1","7.15.1-1","7.15.2-1","7.15.3-1","7.15.5-1","7.4.5-1","7.9.2-0.1","8.0.1-1","8.0.2-1","8.1.0-1","8.2.0-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-67353.json"}},{"package":{"name":"guzzle","ecosystem":"Debian:13","purl":"pkg:deb/debian/guzzle?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.11.0-1","7.12.0-1","7.12.1-1","7.12.3-1","7.13.1-1","7.14.0-1","7.14.1-1","7.14.2-1","7.15.0-1","7.15.1-1","7.15.2-1","7.15.3-1","7.15.5-1","7.9.2-0.1","8.0.1-1","8.0.2-1","8.1.0-1","8.2.0-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-67353.json"}},{"package":{"name":"guzzle","ecosystem":"Debian:14","purl":"pkg:deb/debian/guzzle?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.15.1-1"}]}],"versions":["7.11.0-1","7.12.0-1","7.12.1-1","7.12.3-1","7.13.1-1","7.14.0-1","7.14.1-1","7.14.2-1","7.15.0-1","7.9.2-0.1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-67353.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"}]}