HIGH 7.2 NVD
CVE-2026-115505
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 malici
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.
References
- https://github.com/sahlberg/libsmb2
- https://github.com/sahlberg/libsmb2/commit/a79f6914cb5ed3f74293d15cdea901261ce179ff
- https://github.com/sahlberg/libsmb2/issues/496
- https://github.com/sahlberg/libsmb2/releases/tag/libsmb2-6.3
- https://hackmd.io/@haindpwn/libsmb2-dcerpc-ndr-count-overflow-oob
This high severity vulnerability with a CVSS score of 7.2 was published on 2026-10-22 via NVD.
vulnfeed aggregates 17279 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.