FlawAtlas
Search the atlas
ALSA-2025:20962 Not scored

Important: pcs security update

The pcs packages provide a command-line configuration system for the Pacemaker and Corosync utilities. Security Fix(es): * rubygem-rack: Rack QueryParser has an unsafe default allowing params_limit bypass via semicolon-separated parameters (CVE-2025-59830) * rack: Rack's unbounded multipart preamble buffering enables DoS (memory exhaustion) (CVE-2025-61770) * rack: Rack's multipart parser buffers large non?file fields entirely in memory, enabling DoS (memory exhaustion) (CVE-2025-61771) * rack: Rack memory exhaustion denial of service (CVE-2025-61772) * rubygem-rack: Unbounded read in `Rack::Request` form parsing can lead to memory exhaustion (CVE-2025-61919) 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.

Exploit probability Not scored
Published November 11, 2025
Required by Not available
Last source change February 4, 2026

02 / AFFECTED SOFTWARE

Affected packages

AlmaLinux:9 pcs
AlmaLinux:9 pcs-snmp

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities ALSA-2025:20962

The pcs packages provide a command-line configuration system for the Pacemaker and Corosync utilities. Security Fix(es): * rubygem-rack: Rack QueryParser has an unsafe default allowing params_limit bypass via semicolon-separated parameters (CVE-2025-59830) * rack: Rack's unbounded multipart preamble buffering enables DoS (memory exhaustion) (CVE-2025-61770) * rack: Rack's multipart parser buffers large non?file fields entirely in memory, enabling DoS (memory exhaustion) (CVE-2025-61771) * rack: Rack memory exhaustion denial of service (CVE-2025-61772) * rubygem-rack: Unbounded read in `Rack::Request` form parsing can lead to memory exhaustion (CVE-2025-61919) 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.

View original source

05 / REFERENCES

Further evidence