{"id":"USN-8890-2","summary":"libsoup3 vulnerabilities","details":"USN-8890-1 fixed vulnerabilities in libsoup. This update provides the\ncorresponding updates for libsoup3 on Ubuntu 26.10.\n\nOriginal advisory details:\n\n It was discovered that libsoup incorrectly handled certain HTTP/2\n requests.\n A remote attacker could possibly use this issue to cause a denial of\n service. This issue only affected Ubuntu 24.04 LTS and Ubuntu 26.04 LTS.\n (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":"2026-10-22T04:42:59.625486789Z","published":"2026-10-21T21:36:06Z","related":["UBUNTU-CVE-2026-4271","UBUNTU-CVE-2026-5119","UBUNTU-CVE-2026-6324","UBUNTU-CVE-2026-66339","UBUNTU-CVE-2026-77014","UBUNTU-CVE-2026-77680","UBUNTU-CVE-2026-85197","UBUNTU-CVE-2026-85534"],"upstream":["CVE-2026-4271","CVE-2026-5119","CVE-2026-6324","CVE-2026-66339","CVE-2026-77014","CVE-2026-77680","CVE-2026-85197","CVE-2026-85534","UBUNTU-CVE-2026-4271","UBUNTU-CVE-2026-5119","UBUNTU-CVE-2026-6324","UBUNTU-CVE-2026-66339","UBUNTU-CVE-2026-77014","UBUNTU-CVE-2026-77680","UBUNTU-CVE-2026-85197","UBUNTU-CVE-2026-85534"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8890-2"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-4271"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-5119"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-6324"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-66339"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-77014"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-77680"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-85197"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-85534"}],"affected":[{"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"}]}],"versions":["3.6.6-1"],"ecosystem_specific":{"binaries":[{"binary_name":"gir1.2-soup-3.0","binary_version":"3.6.6-1ubuntu3"},{"binary_name":"libsoup-3.0-0","binary_version":"3.6.6-1ubuntu3"},{"binary_version":"3.6.6-1ubuntu3","binary_name":"libsoup-3.0-common"},{"binary_name":"libsoup-3.0-tests","binary_version":"3.6.6-1ubuntu3"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8890-2.json","cves_map":{"ecosystem":"Ubuntu:26.10","cves":[{"id":"CVE-2026-4271","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-5119","severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N","type":"CVSS_V3"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2026-6324","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-66339","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-77014"},{"id":"CVE-2026-77680","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2026-85197","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-85534","severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]}]}}}],"schema_version":"1.9.0"}