CVE-2026-110714 — libsmb2 through 6.2 Heap Out-of-Bounds Read via decode_acl Integer Underflow
libsmb2 through 6.2 contains an integer underflow vulnerability in decode_acl that allows malicious SMB servers to trigger heap out-of-bounds reads via crafted security descript…
Published: 2026-10-14 · CVSS: 7.1 · CVSS 4.0
libsmb2 through 6.2 contains an integer underflow vulnerability in decode_acl that allows malicious SMB servers to trigger heap out-of-bounds reads via crafted security descriptors. Attackers controlling a server or intercepting unsigned sessions can send an AclSize below 8 in a QUERY_INFO reply, bypassing ACE bounds checks and crashing the client.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7