Vulnerability Database

308,926

Total vulnerabilities in the database

CVE-2025-4877

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.

  • Published: Aug 20, 2025
  • Updated: Nov 16, 2025
  • CVE: CVE-2025-4877
  • Severity: Low
  • Exploit:

CVSS v3:

  • Severity: Low
  • Score: 4.5
  • AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L

CWEs: