CVE-2025-4877 | BDVDB-2026-290365 Detail

Description#

There's a vulnerability in the libssh package where when a libssh consumer passes in an unexpectedly large input buffer to ssh_get_fingerprint_hash() function. In such cases the bin_to_base64() function can experience an integer overflow leading to a memory under allocation, when that happens it's possible that the program perform out of bounds write leading to a heap corruption. This issue affects only 32-bits builds of libssh.

Impact#

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Exploit#

History#

1. Version 12025-08-20Record published in the CVE List.
2. Version 22026-11-05Most recent update recorded in the CVE List.