What is RHSA-2025:19736?

RHSA-2025:19736 is a security advisory published by Red Hat Product Security with High severity. Red Hat Security Advisory: pcs security update

Which CVE IDs does RHSA-2025:19736 cover?

RHSA-2025:19736 covers the following CVE IDs: CVE-2025-59830, CVE-2025-61770, CVE-2025-61772, CVE-2025-61919. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2025:19736?

RHSA-2025:19736 has a CVSS v3 base score of 7.5, published by Red Hat Product Security.

RHSA-2025:19736HighCVSS 7.5

Red Hat Security Advisory: pcs security update

Vendor

Red Hat Product Security

Published

November 4, 2025

Last Modified

July 11, 2026

🔗 CVE IDs covered (4)

CVE-2025-59830 →CVE-2025-61770 →CVE-2025-61772 →CVE-2025-61919 →

📋 Description

CVE-2025-59830 — rubygem-rack: Rack QueryParser has an unsafe default allowing params_limit bypass via semicolon-separated parameters CVE-2025-61770 — rack: Rack's unbounded multipart preamble buffering enables DoS (memory exhaustion) CVE-2025-61772 — rack: Rack memory exhaustion denial of service CVE-2025-61919 — rubygem-rack: Unbounded read in Rack::Request form parsing can lead to memory exhaustion

🔗 References (7)

selfhttps://access.redhat.com/errata/RHSA-2025:19736
externalhttps://access.redhat.com/security/updates/classification/#important
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2398167
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2402174
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2402200
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2403180
selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_19736.json