{"id":"MGASA-2026-0392","summary":"Updated tor packages fix security vulnerabilities","details":"Tor before 0.4.9.12 interprets the CC_RESPONSE extension even when\nCC_REQUEST was not sent, which allows remote attackers to cause a denial\nof service (crash) because of corrupted congestion-control\nstate(CVE-2026-87724)\nDo not purge memory for OOM from within low-level code (TROVE-2026-043).\nA hostile cache could trick a client into falsely believing that certain\nrelays' microdescriptors or router descriptors were unusable\n(TROVE-2026-034).\nFix a use-after-free error (TROVE-2026-036).\nLimit the size of consensus diffs, in bytes and in lines, to prevent a\nclass of memory-based denial-of-service attacks (TROVE-2026-042).\nNegotiate CGO cryptography with every hop that supports it\n(TROVE-2026-033).\nValidate DNS names for complience whenever providing or receiving them\nfrom evdns, to limit exposure to a class of application and library bugs\n(TROVE-2026-035).\n","modified":"2026-09-11T23:00:03.412741584Z","published":"2026-09-11T22:47:08Z","upstream":["CVE-2026-87724"],"references":[{"type":"ADVISORY","url":"https://advisories.mageia.org/MGASA-2026-0392.html"},{"type":"REPORT","url":"https://bugs.mageia.org/show_bug.cgi?id=36284"},{"type":"WEB","url":"https://www.openwall.com/lists/oss-security/2026/09/08/20"}],"affected":[{"package":{"name":"tor","ecosystem":"Mageia:10","purl":"pkg:rpm/mageia/tor?arch=source&distro=mageia-10"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.4.9.12-1.mga10"}]}],"ecosystem_specific":{"section":"core"},"database_specific":{"source":"https://advisories.mageia.org/MGASA-2026-0392.json"}},{"package":{"name":"tor","ecosystem":"Mageia:9","purl":"pkg:rpm/mageia/tor?arch=source&distro=mageia-9"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.4.9.12-1.mga9"}]}],"ecosystem_specific":{"section":"core"},"database_specific":{"source":"https://advisories.mageia.org/MGASA-2026-0392.json"}}],"schema_version":"1.9.0","credits":[{"name":"Mageia","contact":["https://wiki.mageia.org/en/Packages_Security_Team"],"type":"COORDINATOR"}]}