{"id":"MGASA-2026-0382","summary":"Updated tor packages fix security vulnerabilities","details":"An 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).\n","modified":"2026-09-08T03:00:02.933282851Z","published":"2026-09-08T02:47:35Z","upstream":["CVE-2026-77584","CVE-2026-77587","CVE-2026-77638","CVE-2026-77639","CVE-2026-77640","CVE-2026-77641","CVE-2026-77642"],"references":[{"type":"ADVISORY","url":"https://advisories.mageia.org/MGASA-2026-0382.html"},{"type":"REPORT","url":"https://bugs.mageia.org/show_bug.cgi?id=36213"},{"type":"WEB","url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/message/J3OOWWFCIOAR7SCIVWYWCHHV6G2BGSPN/"},{"type":"WEB","url":"https://lists.debian.org/debian-security-announce/2026/msg00283.html"}],"affected":[{"package":{"name":"tor","ecosystem":"Mageia:10","purl":"pkg:rpm/mageia/tor?arch=source&distro=mageia-10"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.4.9.11-1.mga10"}]}],"ecosystem_specific":{"section":"core"},"database_specific":{"source":"https://advisories.mageia.org/MGASA-2026-0382.json"}},{"package":{"name":"tor","ecosystem":"Mageia:9","purl":"pkg:rpm/mageia/tor?arch=source&distro=mageia-9"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.4.9.11-1.mga9"}]}],"ecosystem_specific":{"section":"core"},"database_specific":{"source":"https://advisories.mageia.org/MGASA-2026-0382.json"}}],"schema_version":"1.9.0","credits":[{"name":"Mageia","contact":["https://wiki.mageia.org/en/Packages_Security_Team"],"type":"COORDINATOR"}]}