What is RHSA-2026:4440?

RHSA-2026:4440 is a security advisory published by Red Hat Product Security with High severity. Red Hat Security Advisory: freerdp security update

Which CVE IDs does RHSA-2026:4440 cover?

RHSA-2026:4440 covers the following CVE IDs: CVE-2026-22858, CVE-2026-22859, CVE-2026-22855. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2026:4440?

RHSA-2026:4440 has a CVSS v3 base score of 7.4, published by Red Hat Product Security.

RHSA-2026:4440HighCVSS 7.4

Red Hat Security Advisory: freerdp security update

Vendor

Red Hat Product Security

Published

March 12, 2026

Last Modified

June 8, 2026

🔗 CVE IDs covered (3)

CVE-2026-22858 →CVE-2026-22859 →CVE-2026-22855 →

📋 Description

CVE-2026-22855 — freerdp: FreeRDP heap-buffer-overflow CVE-2026-22858 — freerdp: FreeRDP global-buffer-overflow CVE-2026-22859 — freerdp: FreeRDP heap-buffer-overflow

🔗 References (6)

selfhttps://access.redhat.com/errata/RHSA-2026:4440
externalhttps://access.redhat.com/security/updates/classification/#important
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2429645
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2429649
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2429653
selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_4440.json