CVE-2026-16461Medium· 6.5▾ SunlitA stack-based buffer overflow was found in rpcbind's rpcinfo utility. In rpcbdump() short mode (used by `rpcinfo -s`), version numbers from a remote RPCBPROC_DUMP reply are written into a fixed-size stack buffer without bounds checking. …
▾ Sunlit zone — Low / medium · no exploitation signal
impact 35.8 · likelihood 0.1 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Exploit-prediction probability, daily snapshots since Nov 5.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.3%
A stack-based buffer overflow was found in rpcbind's rpcinfo utility. In rpcbdump() short mode (used by rpcinfo -s), version numbers from a remote RPCBPROC_DUMP reply are written into a fixed-size stack buffer without bounds checking. A user or administrator who runs rpcinfo -s against a malicious or compromised rpcbind endpoint could experience a crash or denial of service of the rpcinfo client.
rpcbind (all versions)rpcbind (all versions)rpcbind (all versions)rpcbind (all versions)rpcbind (all versions)Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
To mitigate this issue, avoid using the rpcinfo -s command against untrusted, attacker-controlled, or compromised rpcbind hosts. Restrict the use of the rpcinfo utility to trusted internal endpoints or secure test environments only.
Connected by shared product, vendor, weakness, or advisory.
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