FreeModbus vulnerabilities
1 known vulnerability in FreeModbus from Cwalter-at. 1 is rated high or critical. Each entry lists the affected versions and the release that fixes it, where the vendor has published one.
1vulnerabilities
1critical
0high
0exploited
9.1average CVSS score
Latest first
- 9.1 Critical severity
FreeModbus: Out-of-bounds Write
The LINUXTCP port of FreeModbus contains an off-by-one bounds check in xMBPortTCPPool (demo/LINUXTCP/port/porttcp.c). The check uses a strict greater-than comparison instead of greater-than-or-equal against the 263-byte MB_TCP_BUF_SIZE limit.