{"schemaVersion":3,"id":"USN-8890-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"libsoup2.4, libsoup3 vulnerabilities\n\nIt was discovered that libsoup incorrectly handled certain HTTP/2 requests.\nA remote attacker could possibly use this issue to cause a denial of\nservice. This issue only affected Ubuntu 24.04 LTS and Ubuntu 26.04 LTS.\n(CVE-2026-4271)\n\nIt was discovered that libsoup incorrectly handled certain HTTPS proxy\nconnections. A remote attacker could possibly use this issue to obtain\nsensitive information. This issue only affected Ubuntu 22.04 LTS, Ubuntu\n24.04 LTS, and Ubuntu 26.04 LTS. (CVE-2026-5119)\n\nIt was discovered that libsoup incorrectly parsed certain chunked HTTP\nrequests. A remote attacker could possibly use this issue to bypass\nsecurity controls. This issue only affected Ubuntu 22.04 LTS, Ubuntu 24.04\nLTS, and Ubuntu 26.04 LTS. (CVE-2026-6324)\n\nIt was discovered that libsoup incorrectly handled proxy authentication\ncredentials. A remote attacker could possibly use this issue to obtain\nsensitive information. (CVE-2026-66339)\n\nIt was discovered that libsoup incorrectly handled certain HTTP Range\nheaders. A remote attacker could possibly use this issue to cause a denial\nof service. (CVE-2026-77014, CVE-2026-77680)\n\nIt was discovered that libsoup incorrectly handled certain HTTP/2\nconnections. A remote attacker could possibly use this issue to obtain\nsensitive information or execute arbitrary code. This issue only affected\nUbuntu 22.04 LTS, Ubuntu 24.04 LTS, and Ubuntu 26.04 LTS. (CVE-2026-85197)\n\nIt was discovered that libsoup incorrectly handled certain HTTP/2\ntransfers. A remote attacker could possibly use this issue to cause a\ndenial of service. This issue only affected Ubuntu 22.04 LTS, Ubuntu 24.04\nLTS, and Ubuntu 26.04 LTS. (CVE-2026-85534)","dates":{"published":"2026-10-06T16:43:00.000Z","modified":"2026-10-07T04:42:35.653Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":null,"severity":"unknown","version":null,"versionLabel":null,"source":null,"vector":null,"computed":false,"selection":"none"},"metrics":[]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[],"affected":[{"vendor":"ubuntu","product":"libsoup2.4","name":"libsoup2.4","label":"libsoup2.4","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/libsoup2.4","purlType":"deb","versions":[{"text":"< 2.52.2-1ubuntu0.3+esm8","noFixRecorded":false,"fixedIn":null},{"text":"< 2.62.1-1ubuntu0.4+esm9","noFixRecorded":false,"fixedIn":null},{"text":"< 2.70.0-1ubuntu0.5+esm4","noFixRecorded":false,"fixedIn":null},{"text":"< 2.74.2-3ubuntu0.9","noFixRecorded":false,"fixedIn":null},{"text":"< 2.74.3-6ubuntu1.9","noFixRecorded":false,"fixedIn":null},{"text":"< 2.74.3-10.1ubuntu5+esm3","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.52.2-1ubuntu0.3+esm8 | < 2.62.1-1ubuntu0.4+esm9 | < 2.70.0-1ubuntu0.5+esm4 | < 2.74.2-3ubuntu0.9 | < 2.74.3-6ubuntu1.9 | < 2.74.3-10.1ubuntu5+esm3","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"libsoup3","name":"libsoup3","label":"libsoup3","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/libsoup3","purlType":"deb","versions":[{"text":"< 3.0.7-0ubuntu1+esm9","noFixRecorded":false,"fixedIn":null},{"text":"< 3.4.4-5ubuntu0.9","noFixRecorded":false,"fixedIn":null},{"text":"< 3.6.6-1ubuntu0.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 3.0.7-0ubuntu1+esm9 | < 3.4.4-5ubuntu0.9 | < 3.6.6-1ubuntu0.1","eol":null,"hubHref":null}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-8890-1","label":"ubuntu.com/security/notices/USN-8890-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-4271","label":"ubuntu.com/security/CVE-2026-4271","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-5119","label":"ubuntu.com/security/CVE-2026-5119","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-6324","label":"ubuntu.com/security/CVE-2026-6324","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-66339","label":"ubuntu.com/security/CVE-2026-66339","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-77014","label":"ubuntu.com/security/CVE-2026-77014","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-77680","label":"ubuntu.com/security/CVE-2026-77680","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-85197","label":"ubuntu.com/security/CVE-2026-85197","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-85534","label":"ubuntu.com/security/CVE-2026-85534","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"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"],"downstream":[],"duplicates":[],"related":["CVE-2026-4271","CVE-2026-5119","CVE-2026-6324","CVE-2026-66339","CVE-2026-77014","CVE-2026-77680","CVE-2026-85197","CVE-2026-85534"]},"timeline":[{"kind":"published","date":"2026-10-06T16:43:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-10-07T04:42:35.653Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":0,"level":"minimal","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T13:38:59.109Z","stale":false,"partial":false}}