ESB-2026.4679

=========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2026.4679 Red Hat build of Cryostat security update 7 May 2026 =========================================================================== AUSCERT Security Bulletin Summary --------------------------------- Product: Red Hat build of Cryostat Publisher: Red Hat Operating System: Red Hat Resolution: Patch/Upgrade CVE Names: CVE-2026-4786 CVE-2026-4878 CVE-2026-6100 CVE-2026-1519 CVE-2026-32280 CVE-2026-23865 CVE-2026-32282 CVE-2026-32283 CVE-2026-22016 CVE-2026-27135 CVE-2026-33810 CVE-2026-22021 CVE-2026-22013 CVE-2026-34282 CVE-2026-22018 CVE-2026-22007 CVE-2026-34268 CVE-2026-4424 CVE-2026-5121 CVE-2025-10158 CVE-2026-34982 Original Bulletin: https://access.redhat.com/errata/RHSA-2026:14391 Comment: CVSS (Max): 8.8 CVE-2026-33810 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:L) CVSS Source: Red Hat Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:L EPSS (Max): 0.0% (4th) CVE-2026-32283 2026-05-06 - --------------------------BEGIN INCLUDED TEXT-------------------- RHSA-2026:14391 - Security Advisory Issued: 2026-05-06 Updated: 2026-05-06 Synopsis Red hat build of cryostat security update Type/Severity Security Advisory: Important Topic An update is now available for the Red Hat build of Cryostat 4 on RHEL 9. 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 An update is now available for the Red Hat build of Cryostat 4 on RHEL 9. Security Fix(es): o crypto/tls: golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages (CVE-2026-32283) o crypto/x509: golang: Go crypto/x509: Certificate validation bypass due to incorrect DNS constraint application (CVE-2026-33810) o golang: internal/syscall/unix: Root.Chmod can follow symlinks out of the root (CVE-2026-32282) o crypto/x509: crypto/tls: golang: Go: Denial of Service vulnerability in certificate chain building (CVE-2026-32280) 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 Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 Affected Products o Cryostat 4 x86_64 Fixes o BZ - 2456335 - CVE-2026-33810 crypto/x509: golang: Go crypto/x509: Certificate validation bypass due to incorrect DNS constraint application o BZ - 2456336 - CVE-2026-32282 golang: internal/syscall/unix: Root.Chmod can follow symlinks out of the root o BZ - 2456338 - CVE-2026-32283 crypto/tls: golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages o BZ - 2456339 - CVE-2026-32280 crypto/x509: crypto/tls: golang: Go: Denial of Service vulnerability in certificate chain building CVEs o CVE-2025-10158 o CVE-2026-1519 o CVE-2026-4424 o CVE-2026-4786 o CVE-2026-4878 o CVE-2026-5121 o CVE-2026-6100 o CVE-2026-22007 o CVE-2026-22013 o CVE-2026-22016 o CVE-2026-22018 o CVE-2026-22021 o CVE-2026-23865 o CVE-2026-27135 o CVE-2026-32280 o CVE-2026-32282 o CVE-2026-32283 o CVE-2026-33810 o CVE-2026-34268 o CVE-2026-34282 o CVE-2026-34982 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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