RHSA-2026:80663 — Security Advisory

An update for tftp is now available for Red Hat Enterprise Linux 9.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The Trivial File Transfer Protocol (TFTP) is typically used only for booting diskless workstations. The tftp packages include the tftp and tftp-server subpackages. The tftp subpackage provides the user interface for TFTP and the tftp-server subpackage provides the server. This allows users to transfer files to and from a remote machine.

Security Fix(es):

• tftp: tftp-hpa: Denial of Service due to out-of-bounds read/write in remap engine (CVE-2026-85234)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.