{"id":"DEBIAN-CVE-2026-115505","details":"libsmb2 before 6.3 contains integer overflow vulnerabilities in the DCE/RPC NDR decoder in lib/dcerpc.c that allow heap out-of-bounds reads and writes. A malicious SMB server or machine-in-the-middle on unsigned connections can send crafted NetrShareEnum replies with wrapping actual_count or max_count values when clients call smb2_share_enum_async(), corrupting heap memory.","modified":"2026-10-24T09:47:34.812528002Z","published":"2026-10-22T20:17:06.470Z","upstream":["CVE-2026-115505"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-115505"}],"affected":[{"package":{"name":"libsmb2","ecosystem":"Debian:13","purl":"pkg:deb/debian/libsmb2?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.2+dfsg-2","6.2+dfsg-2+deb13u1","6.2+dfsg-3","6.2+dfsg-4"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-115505.json"}},{"package":{"name":"libsmb2","ecosystem":"Debian:14","purl":"pkg:deb/debian/libsmb2?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.2+dfsg-2","6.2+dfsg-3","6.2+dfsg-4"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-115505.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H"}]}