{"schemaVersion":3,"id":"MGASA-2026-0382","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Updated tor packages fix security vulnerabilities\n\nAn out-of-bounds write when parsing a consensus or detached signature\nwith unexpected signature digest type (CVE-2026-77642).\nA NULL write after free when sending a CONFLUX_SWITCH cell fails,\nresulting in a crash (CVE-2026-77641).\nAn infinite loop when decompressing a truncated zlib/gzip stream with\ndone=1 (CVE-2026-77640).\nA compression bomb bypass where an attacker could concatenate many gzip\nor zlib sub-streams (CVE-2026-77639).\nA race condition where in just the right circumstances a rendezvous\npoint could man-in-the-middle (impersonate) the onion service that the\nclient was trying to reach (CVE-2026-77638).\nA use-after-free that a malicious exit node could use to crash a client\n(CVE-2026-77587).\nTor before 0.4.9.10 did not reject a CONFLUX_LINK cell that arrives on a\ncircuit which already has attached streams (CVE-2026-77584).","dates":{"published":"2026-09-08T02:47:35.000Z","modified":"2026-09-08T03:00:03.416Z","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":"mageia","product":"tor","name":"tor","label":"tor","ecosystem":"Mageia","cpePart":null,"purl":"pkg:rpm/mageia/tor","purlType":"rpm","versions":[{"text":"< 0.4.9.11-1.mga10","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 0.4.9.11-1.mga10","eol":null,"hubHref":null},{"vendor":"mageia","product":"tor","name":"tor","label":"tor","ecosystem":"Mageia","cpePart":null,"purl":"pkg:rpm/mageia/tor","purlType":"rpm","versions":[{"text":"< 0.4.9.11-1.mga9","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 0.4.9.11-1.mga9","eol":null,"hubHref":null}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://advisories.mageia.org/MGASA-2026-0382.html","label":"advisories.mageia.org/MGASA-2026-0382.html","hostname":"advisories.mageia.org","tags":["Advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=36213","label":"bugs.mageia.org/show_bug.cgi?id=36213","hostname":"bugs.mageia.org","tags":["REPORT"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/message/J3OOWWFCIOAR7SCIVWYWCHHV6G2BGSPN/","label":"lists.opensuse.org/archives/…","hostname":"lists.opensuse.org","tags":["WEB"]},{"url":"https://lists.debian.org/debian-security-announce/2026/msg00283.html","label":"lists.debian.org/debian-security-announce/2026/msg00283.html","hostname":"lists.debian.org","tags":["WEB"]}],"lineage":{"upstream":["CVE-2026-77584","CVE-2026-77587","CVE-2026-77638","CVE-2026-77639","CVE-2026-77640","CVE-2026-77641","CVE-2026-77642"],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-09-08T02:47:35.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-09-08T03:00:03.416Z","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":"2026-10-19T19:55:05.215Z","stale":false,"partial":false}}