Red Hat Product Errata RHSA-2026:22133 - Security Advisory Issued: 2026-06-01 Updated: 2026-06-01 RHSA-2026:22133 - Security Advisory Overview Updated Packages Synopsis Important: resource-agents security update Type/Severity Security Advisory: Important Red Hat Lightspeed patch analysis Identify and remediate systems affected by this advisory. View affected systems Topic An update for resource-agents 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. Description The resource-agents packages provide the Pacemaker and RGManager service managers with a set of scripts. These scripts interface with several services to allow operating in a high-availability (HA) environment. Security Fix(es): pyasn1: pyasn1 Vulnerable to Denial of Service via Unbounded Recursion (CVE-2026-30922) 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. Solution For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Affected Products Red Hat Enterprise Linux High Availability for x86_64 - Advanced Update Support 8.4 x86_64 Red Hat Enterprise Linux High Availability for x86_64 - Extended Update Support Extension 8.4 x86_64 Fixes BZ - 2448553 - CVE-2026-30922 pyasn1: pyasn1 Vulnerable to Denial of Service via Unbounded Recursion CVEs CVE-2026-30922 References https://access.redhat.com/security/updates/classification/#important Note: More recent versions of these packages may be available. Click a package name for more details. Red Hat Enterprise Linux High Availability for x86_64 - Advanced Update Support 8.4 SRPM resource-agents-4.1.1-90.el8_4.25.src.rpm SHA-256: 0e93b98974833bc9da9e08029584dc4d38893d986e1ebe3329ff38cc45ff2627 x86_64 resource-agents-4.1.1-90.el8_4.25.x86_64.rpm SHA-256: c401b06b3478bfc68ddd0e508241b803d2c2784a4420667d9cb45d575203b4c8 resource-agents-aliyun-4.1.1-90.el8_4.25.x86_64.rpm SHA-256: a0268b14b185eee0f1fce7afe1babe460e2ac3e9e52ae454ae2b882396557bb5 resource-agents-aliyun-debuginfo-4.1.1-90.el8_4.25.x86_64.rpm SHA-256: 864ab1a47d436067d6147ae47b225da3830cbb50c8d9cb0516f6ed7d3daed938 resource-agents-debuginfo-4.1.1-90.el8_4.25.x86_64.rpm SHA-256: a3b92b40c8cdccbf6eac6e03154d92cff404c2f4f37244c98d598288c29f8636 resource-agents-debugsource-4.1.1-90.el8_4.25.x86_64.rpm SHA-256: 73427476652e77c74e120b867af4b7c603036f0f05debac25c119b193fe4790e resource-agents-gcp-4.1.1-90.el8_4.25.x86_64.rpm SHA-256: 3f0c3acb1071a4ef7253b9493e77c866a98c1a951de18749bc53438e18cfc3ba Red Hat Enterprise Linux High Availability for x86_64 - Extended Update Support Extension 8.4 SRPM resource-agents-4.1.1-90.el8_4.25.src.rpm SHA-256: 0e93b98974833bc9da9e08029584dc4d38893d986e1ebe3329ff38cc45ff2627 x86_64 resource-agents-4.1.1-90.el8_4.25.x86_64.rpm SHA-256: c401b06b3478bfc68ddd0e508241b803d2c2784a4420667d9cb45d575203b4c8 resource-agents-aliyun-4.1.1-90.el8_4.25.x86_64.rpm SHA-256: a0268b14b185eee0f1fce7afe1babe460e2ac3e9e52ae454ae2b882396557bb5 resource-agents-aliyun-debuginfo-4.1.1-90.el8_4.25.x86_64.rpm SHA-256: 864ab1a47d436067d6147ae47b225da3830cbb50c8d9cb0516f6ed7d3daed938 resource-agents-debuginfo-4.1.1-90.el8_4.25.x86_64.rpm SHA-256: a3b92b40c8cdccbf6eac6e03154d92cff404c2f4f37244c98d598288c29f8636 resource-agents-debugsource-4.1.1-90.el8_4.25.x86_64.rpm SHA-256: 73427476652e77c74e120b867af4b7c603036f0f05debac25c119b193fe4790e resource-agents-gcp-4.1.1-90.el8_4.25.x86_64.rpm SHA-256: 3f0c3acb1071a4ef7253b9493e77c866a98c1a951de18749bc53438e18cfc3ba The Red Hat security contact is secalert@redhat.com . More contact details at https://access.redhat.com/security/team/contact/ .