RHSA-2026:91845 — Security Advisory

An update for mrtg is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On.

Red Hat Product Security has rated this update as having a security impact of Important. 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 Multi Router Traffic Grapher (MRTG) monitors the traffic load on network connections. MRTG generates HTML pages containing PNG images which provide a live visual representation of this traffic.

Security Fix(es):

• mrtg: MRTG daemon symlink-following chown allows local privilege escalation via PID file path manipulation (CVE-2026-72694)

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.