Threats Tagged 'ubuntu-cve-2026-66032'
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Threats Tagged 'ubuntu-cve-2026-66032'
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libssh2 through 1.11.1, fixed in commit 5e47761, contains a double-free vulnerability in the sftp_open() function in src/sftp.c that allows a… (CVE-2026-66032)CVE-2026-66032 0 libssh2 through 1.11.1, fixed in commit 5e47761, contains a double-free vulnerability in the sftp_open() function in src/sftp.c that allows a malicious SSH server to corrupt the heap of any authenticated client opening an SFTP session. When a server responds to SSH_FXP_OPEN with SSH_FXP_STATUS containing FX_OK, the response data buffer is freed, and if a subsequent sftp_packet_require() call returns a specific error such as LIBSSH2_ERROR_CHANNEL_PACKET_EXCEEDED, the same pointer is freed a second time, enabling tcache dup conditions on glibc systems that allow overlapping allocations and function pointer overwrites. Join the discussion | GCVE Database | 07/24/2026, 17:17:00 UTC Added: 09/02/2026, 15:49:07 UTC |
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