What is RHSA-2026:8457?

RHSA-2026:8457 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-2026:8457 cover?

RHSA-2026:8457 covers the following CVE IDs: CVE-2026-33983, CVE-2026-33984. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2026:8457?

RHSA-2026:8457 has a CVSS v3 base score of 7.5, published by Red Hat Product Security.

RHSA-2026:8457HighCVSS 7.5

Red Hat Security Advisory: freerdp security update

Vendor

Red Hat Product Security

Published

April 16, 2026

Last Modified

June 25, 2026

🔗 CVE IDs covered (2)

CVE-2026-33983 →CVE-2026-33984 →

📋 Description

CVE-2026-33983 — FreeRDP: FreeRDP: Denial of Service via specially crafted Remote Desktop Protocol messages CVE-2026-33984 — FreeRDP: FreeRDP: Heap buffer overflow allows arbitrary code execution via crafted pixel data

🔗 References (5)

selfhttps://access.redhat.com/errata/RHSA-2026:8457
externalhttps://access.redhat.com/security/updates/classification/#important
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2453219
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2453220
selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_8457.json