Threats Tagged 'cve-2026-83742'
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Threats Tagged 'cve-2026-83742'
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0 CVE-2026-83742 is an integer underflow vulnerability in wolfSSL wolfSSH versions 1.4.11 through before 1.6.0 on non-Windows platforms. It occurs in the wstrncat() function in src/port.c, where an authenticated remote attacker can cause a single null byte to be written just past the end of a stack buffer by sending a specially crafted SFTP path. This can corrupt adjacent stack memory and potentially crash the process. The vulnerability arises from incorrect size calculations leading to an unbounded string concatenation. The overflow is limited to one null byte, and no known exploits are reported in the wild. Join the discussion | CVE Database V5 | 10/07/2026, 02:41:48 UTC Added: 10/07/2026, 03:03:52 UTC |
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