What is CVE-2026-16277?

CVE-2026-16277 is a medium-severity vulnerability in Red Hat Enterprise Linux 10, classified under Stack-based Buffer Overflow. CVSS score: 6.5/10. Published 2026-07-20.

How severe is CVE-2026-16277?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Buffer overflow in Red Hat Enterprise Linux 10

CVE-2026-16277

A stack-based buffer overflow was found in rpcbind's rpcinfo utility. When querying a remote rpcbind service with `rpcinfo -l`, address information returned by the server is copied into a fixed-size buffer without sufficient bounds checkin…

Vulnerability class: Buffer Overflow

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow

References

secalert@redhat.com (x_refsource_REDHAT, vdb-entry)
secalert@redhat.com (x_refsource_REDHAT, issue-tracking)
secalert@redhat.com
secalert@redhat.com

Frequently asked questions

What is CVE-2026-16277?: CVE-2026-16277 is a medium-severity vulnerability in Red Hat Enterprise Linux 10, classified under Stack-based Buffer Overflow. CVSS score: 6.5/10. Published 2026-07-20.
How severe is CVE-2026-16277?: Medium severity. CVSS v3 base score is 6.5 out of 10.