{"id":"USN-8890-3","summary":"libsoup3 regression","details":"USN-8890-1 fixed vulnerabilities in libsoup. Unfortunately, that update\nintroduced a memory leak in the cookie jar and could introduce a\nregression. This update fixes the problem.\n\nWe apologize for the inconvenience.\n\nOriginal advisory details:\n\n It was discovered that libsoup incorrectly handled certain HTTP/2\n requests.  A remote attacker could possibly use this issue to cause a\n denial of  service. This issue only affected Ubuntu 24.04 LTS and Ubuntu\n 26.04 LTS.  (CVE-2026-4271)\n\n It was discovered that libsoup incorrectly handled certain HTTPS proxy\n connections. A remote attacker could possibly use this issue to obtain\n sensitive information. This issue only affected Ubuntu 22.04 LTS, Ubuntu\n 24.04 LTS, and Ubuntu 26.04 LTS. (CVE-2026-5119)\n\n It was discovered that libsoup incorrectly parsed certain chunked HTTP\n requests. A remote attacker could possibly use this issue to bypass\n security controls. This issue only affected Ubuntu 22.04 LTS, Ubuntu 24.04\n LTS, and Ubuntu 26.04 LTS. (CVE-2026-6324)\n\n It was discovered that libsoup incorrectly handled proxy authentication\n credentials. A remote attacker could possibly use this issue to obtain\n sensitive information. (CVE-2026-66339)\n\n It was discovered that libsoup incorrectly handled certain HTTP Range\n headers. A remote attacker could possibly use this issue to cause a denial\n of service. (CVE-2026-77014, CVE-2026-77680)\n\n It was discovered that libsoup incorrectly handled certain HTTP/2\n connections. A remote attacker could possibly use this issue to obtain\n sensitive information or execute arbitrary code. This issue only affected\n Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and Ubuntu 26.04 LTS. (CVE-2026-85197)\n\n It was discovered that libsoup incorrectly handled certain HTTP/2\n transfers. A remote attacker could possibly use this issue to cause a\n denial of service. This issue only affected Ubuntu 22.04 LTS, Ubuntu 24.04\n LTS, and Ubuntu 26.04 LTS. (CVE-2026-85534)","modified":"2026-11-11T09:34:48.470007028Z","published":"2026-11-09T23:12:32Z","references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8890-3"},{"type":"REPORT","url":"https://launchpad.net/bugs/2170998"}],"affected":[{"package":{"name":"libsoup3","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/libsoup3?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.4-5ubuntu0.11"}]}],"versions":["3.4.2-4","3.4.4-1","3.4.4-2","3.4.4-4","3.4.4-5","3.4.4-5build1","3.4.4-5build2","3.4.4-5ubuntu0.1","3.4.4-5ubuntu0.2","3.4.4-5ubuntu0.3","3.4.4-5ubuntu0.4","3.4.4-5ubuntu0.5","3.4.4-5ubuntu0.6","3.4.4-5ubuntu0.7","3.4.4-5ubuntu0.8","3.4.4-5ubuntu0.9","3.4.4-5ubuntu0.10"],"ecosystem_specific":{"binaries":[{"binary_version":"3.4.4-5ubuntu0.11","binary_name":"gir1.2-soup-3.0"},{"binary_version":"3.4.4-5ubuntu0.11","binary_name":"libsoup-3.0-0"},{"binary_name":"libsoup-3.0-common","binary_version":"3.4.4-5ubuntu0.11"},{"binary_name":"libsoup-3.0-tests","binary_version":"3.4.4-5ubuntu0.11"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:24.04:LTS","cves":[]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8890-3.json"}},{"package":{"name":"libsoup3","ecosystem":"Ubuntu:26.10","purl":"pkg:deb/ubuntu/libsoup3?arch=source&distro=stonking"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.6-1ubuntu3.2"}]}],"versions":["3.6.6-1","3.6.6-1ubuntu3","3.6.6-1ubuntu3.1"],"ecosystem_specific":{"binaries":[{"binary_version":"3.6.6-1ubuntu3.2","binary_name":"gir1.2-soup-3.0"},{"binary_version":"3.6.6-1ubuntu3.2","binary_name":"libsoup-3.0-0"},{"binary_version":"3.6.6-1ubuntu3.2","binary_name":"libsoup-3.0-common"},{"binary_name":"libsoup-3.0-tests","binary_version":"3.6.6-1ubuntu3.2"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8890-3.json","cves_map":{"ecosystem":"Ubuntu:26.10","cves":[]}}},{"package":{"name":"libsoup3","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/libsoup3?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.6-1ubuntu0.3"}]}],"versions":["3.6.5-4","3.6.5-5","3.6.5-6","3.6.5-7","3.6.5-9","3.6.6-1","3.6.6-1ubuntu0.1","3.6.6-1ubuntu0.2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"gir1.2-soup-3.0","binary_version":"3.6.6-1ubuntu0.3"},{"binary_version":"3.6.6-1ubuntu0.3","binary_name":"libsoup-3.0-0"},{"binary_name":"libsoup-3.0-common","binary_version":"3.6.6-1ubuntu0.3"},{"binary_name":"libsoup-3.0-tests","binary_version":"3.6.6-1ubuntu0.3"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:26.04:LTS","cves":[]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8890-3.json"}}],"schema_version":"1.9.2"}