ESB-2026.4688

=========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2026.4688 resource-agents security update 7 May 2026 =========================================================================== AUSCERT Security Bulletin Summary --------------------------------- Product: resource-agents Publisher: Red Hat Operating System: Red Hat Resolution: Patch/Upgrade CVE Names: CVE-2026-30922 Original Bulletin: https://access.redhat.com/errata/RHSA-2026:13902 Comment: CVSS (Max): 7.5 CVE-2026-30922 (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) CVSS Source: Red Hat Calculator: https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H EPSS (Max): 0.0% (7th) CVE-2026-30922 2026-05-05 - --------------------------BEGIN INCLUDED TEXT-------------------- RHSA-2026:13902 - Security Advisory Issued: 2026-05-06 Updated: 2026-05-06 Synopsis Resource-agents security update Type/Severity Security Advisory: Important Topic An update for resource-agents is now available for Red Hat Enterprise Linux 8. 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): o 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 o Red Hat Enterprise Linux High Availability for x86_64 8 x86_64 o Red Hat Enterprise Linux High Availability for ARM 64 8 aarch64 o Red Hat Enterprise Linux Resilient Storage for x86_64 8 x86_64 o Red Hat Enterprise Linux Resilient Storage for IBM z Systems 8 s390x o Red Hat Enterprise Linux High Availability for IBM z Systems 8 s390x o Red Hat Enterprise Linux Resilient Storage for Power, little endian 8 ppc64le o Red Hat Enterprise Linux High Availability for Power, little endian 8 ppc64le o Red Hat Enterprise Linux High Availability for ARM 64 - Extended Life Cycle 8.10 aarch64 o Red Hat Enterprise Linux High Availability for Power, little endian - Extended Life Cycle 8.10 ppc64le o Red Hat Enterprise Linux High Availability for IBM z Systems - Extended Life Cycle 8.10 s390x o Red Hat Enterprise Linux High Availability for x86_64 - Extended Life Cycle 8.10 x86_64 o Red Hat Enterprise Linux Resilient Storage for Power, little endian - Extended Life Cycle 8.10 ppc64le o Red Hat Enterprise Linux Resilient Storage for IBM z Systems - Extended Life Cycle 8.10 s390x o Red Hat Enterprise Linux Resilient Storage for x86_64 - Extended Life Cycle 8.10 x86_64 Fixes o BZ - 2448553 - CVE-2026-30922 pyasn1: pyasn1 Vulnerable to Denial of Service via Unbounded Recursion CVEs o CVE-2026-30922 References o https://access.redhat.com/security/updates/classification/#important - --------------------------END INCLUDED TEXT---------------------- You have received this e-mail bulletin as a result of your organisation's registration with AUSCERT. 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