CVE-2026-115505
High · 7.6CVSS
7.6
EPSS
0.2%
Published
Oct 22, 2026
CISA due date
—
The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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