{"id":"MGASA-2026-0210","summary":"Updated putty packages fix security vulnerabilities","details":"ECDSA signature verification can be made to fail an assertion.\nServer can provoke a double free in RSA KEX code.\nTelnet session data is marked with trust sigils after authenticating to\na proxy.\nPuTTY Ed25519 Signature ecc-ssh.c eddsa_verify signature verification.\n(CVE-2026-4115)\n","modified":"2026-06-15T16:00:05.363301319Z","published":"2026-06-15T15:56:35Z","upstream":["CVE-2026-4115"],"references":[{"type":"ADVISORY","url":"https://advisories.mageia.org/MGASA-2026-0210.html"},{"type":"REPORT","url":"https://bugs.mageia.org/show_bug.cgi?id=35585"},{"type":"WEB","url":"https://www.openwall.com/lists/oss-security/2026/05/24/11"},{"type":"WEB","url":"https://lists.tartarus.org/pipermail/putty-announce/2026/000042.html"},{"type":"WEB","url":"https://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/rsakex-double-free.html"},{"type":"WEB","url":"https://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/telnet-trust-sigil.html"},{"type":"WEB","url":"https://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/eddsa-overlarge-s.html"}],"affected":[{"package":{"name":"putty","ecosystem":"Mageia:9","purl":"pkg:rpm/mageia/putty?arch=source&distro=mageia-9"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.84-1.mga9"}]}],"ecosystem_specific":{"section":"core"},"database_specific":{"source":"https://advisories.mageia.org/MGASA-2026-0210.json"}}],"schema_version":"1.7.5","credits":[{"name":"Mageia","contact":["https://wiki.mageia.org/en/Packages_Security_Team"],"type":"COORDINATOR"}]}