Red Hat Linux Security Advisories & CVEs
4426 advisories tracked · Red Hat Security Data API · direct feeds checked every minute; rate-limited backstops use a safe source cadence
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Security advisories for your Red Hat release
Pick your distribution release to see every advisory issued for it and its severity mix. Fixes ship as errata — keep the system patched. This is the release's advisory history, not a per-package scan.
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Red Hat Security Data API
Red Hat Enterprise Linux errata (RHSA) via the official Red Hat Security Data API — CVE severity, CVSS and affected packages. A credential-free official source.
Latest Red Hat advisories
High [CVE-2026-90440] Denial of Service via improper exception handling in TNonblockingServer
Denial of Service via improper exception handling in TNonblockingServer. Red Hat rates this important (CVSS 7.5). Weakness: CWE-248. Red Hat lists fixing advisory RHSA-2026:74369 with package thrift-main-0.25.0-0.1.hum1. Affected products named by the advisory: Red Hat Hardened Images; Red Hat Ceph Storage 7; Red Hat Ceph Storage 8; Red Hat Ceph Storage 9; and 1 more. Affected products named by the advisory: Red Hat Enterprise Linux AI (RHEL AI) 3.
High [CVE-2026-86537] Denial of Service via infinite loop in D language bindings
Denial of Service via infinite loop in D language bindings. Red Hat rates this important (CVSS 7.5). Weakness: CWE-835. Red Hat lists fixing advisory RHSA-2026:74369 with package thrift-main-0.25.0-0.1.hum1. Affected products named by the advisory: Red Hat Hardened Images; Red Hat Ceph Storage 7; Red Hat Ceph Storage 8; Red Hat Ceph Storage 9; and 1 more. Affected products named by the advisory: Red Hat Enterprise Linux AI (RHEL AI) 3.
High [CVE-2026-86535] Denial of Service via TJSONProtocol in Node.js bindings
Denial of Service via TJSONProtocol in Node.js bindings. Red Hat rates this important (CVSS 7.5). Weakness: CWE-835. Red Hat lists fixing advisory RHSA-2026:74369 with package thrift-main-0.25.0-0.1.hum1. Affected product named by the advisory: Red Hat Hardened Images.
High [CVE-2026-85088] Man-in-the-middle attacks via improper certificate validation
Man-in-the-middle attacks via improper certificate validation. Red Hat rates this important (CVSS 7.4). Weakness: CWE-295. Red Hat lists fixing advisory RHSA-2026:74369 with package thrift-main-0.25.0-0.1.hum1. Affected products named by the advisory: Red Hat Hardened Images; Red Hat Ceph Storage 7; Red Hat Ceph Storage 8; Red Hat Ceph Storage 9; and 1 more. Affected products named by the advisory: Red Hat Enterprise Linux AI (RHEL AI) 3.
High [CVE-2026-85086] Information disclosure via improper certificate validation in Perl bindings
Information disclosure via improper certificate validation in Perl bindings. Red Hat rates this important (CVSS 7.4). Weakness: CWE-295. Red Hat lists fixing advisory RHSA-2026:74369 with package thrift-main-0.25.0-0.1.hum1. Affected products named by the advisory: Red Hat Hardened Images; Red Hat Ceph Storage 7; Red Hat Ceph Storage 8; Red Hat Ceph Storage 9; and 1 more. Affected products named by the advisory: Red Hat Enterprise Linux AI (RHEL AI) 3.
High [CVE-2026-82459] Denial of Service via integer underflow in THeaderTransport
Denial of Service via integer underflow in THeaderTransport. Red Hat rates this important (CVSS 7.5). Weakness: CWE-787. Red Hat lists fixing advisory RHSA-2026:74369 with package thrift-main-0.25.0-0.1.hum1. Affected products named by the advisory: Red Hat Hardened Images; Red Hat Ceph Storage 7; Red Hat Ceph Storage 8; Red Hat Ceph Storage 9; and 1 more. Affected products named by the advisory: Red Hat Enterprise Linux AI (RHEL AI) 3.
High [CVE-2026-82458] Denial of Service via excessive memory allocation
Denial of Service via excessive memory allocation. Red Hat rates this important (CVSS 7.5). Weakness: CWE-770. Red Hat lists fixing advisory RHSA-2026:74369 with package thrift-main-0.25.0-0.1.hum1. Affected products named by the advisory: Red Hat Hardened Images; Red Hat Ceph Storage 7; Red Hat Ceph Storage 8; Red Hat Ceph Storage 9; and 2 more. Affected products named by the advisory: Red Hat Enterprise Linux AI (RHEL AI) 3; Red Hat OpenShift Update Service.
High [CVE-2026-96292] Denial of Service via inefficient regular expression evaluation in Lua bindings
Denial of Service via inefficient regular expression evaluation in Lua bindings. Red Hat rates this important. Weakness: CWE-1333. Red Hat lists fixing advisory RHSA-2026:74369 with package thrift-main-0.25.0-0.1.hum1. Affected products named by the advisory: Red Hat Hardened Images; Red Hat Ceph Storage 7; Red Hat Ceph Storage 8; Red Hat Ceph Storage 9; and 1 more. Affected products named by the advisory: Red Hat Enterprise Linux AI (RHEL AI) 3.
High [CVE-2026-61373] Denial of Service via unbounded resource allocation in TSaslNonblockingServer
Denial of Service via unbounded resource allocation in TSaslNonblockingServer. Red Hat rates this important. Weakness: CWE-770. Affected products named by the advisory: Red Hat Fuse 7; Red Hat OpenShift AI (RHOAI).
High [CVE-2026-94650] Denial of Service via uncontrolled recursion in C GLib bindings
Denial of Service via uncontrolled recursion in C GLib bindings. Red Hat rates this important. Weakness: CWE-770. Red Hat lists fixing advisory RHSA-2026:74369 with package thrift-main-0.25.0-0.1.hum1. Affected products named by the advisory: Red Hat Hardened Images; Red Hat Ceph Storage 7; Red Hat Ceph Storage 8; Red Hat Ceph Storage 9; and 1 more. Affected products named by the advisory: Red Hat Enterprise Linux AI (RHEL AI) 3.
High [CVE-2026-85494] Denial of Service via improper message handling in language bindings
Denial of Service via improper message handling in language bindings. Red Hat rates this important (CVSS 7.5). Weakness: CWE-130. Red Hat lists fixing advisory RHSA-2026:74369 with package thrift-main-0.25.0-0.1.hum1. Affected products named by the advisory: Red Hat Hardened Images; Red Hat Ceph Storage 7; Red Hat Ceph Storage 8; Red Hat Ceph Storage 9; and 1 more. Affected products named by the advisory: Red Hat Enterprise Linux AI (RHEL AI) 3.
High [CVE-2026-93925] Denial of Service via stack-based buffer overflow in THeaderProtocol
Denial of Service via stack-based buffer overflow in THeaderProtocol. Red Hat rates this important (CVSS 7.5). Weakness: CWE-787. Red Hat lists fixing advisory RHSA-2026:74369 with package thrift-main-0.25.0-0.1.hum1. Affected products named by the advisory: Red Hat Ceph Storage 7; Red Hat Ceph Storage 8; Red Hat Ceph Storage 9; Red Hat Enterprise Linux AI (RHEL AI) 3; and 1 more. Affected products named by the advisory: Red Hat Hardened Images.
High [CVE-2026-93926] Denial of Service via memory leak in THeaderTransport
Denial of Service via memory leak in THeaderTransport. Red Hat rates this important. Weakness: CWE-772. Red Hat lists fixing advisory RHSA-2026:74369 with package thrift-main-0.25.0-0.1.hum1. Affected products named by the advisory: Red Hat Ceph Storage 7; Red Hat Ceph Storage 8; Red Hat Ceph Storage 9; Red Hat Enterprise Linux AI (RHEL AI) 3; and 1 more. Affected products named by the advisory: Red Hat Hardened Images.
High [CVE-2026-94633] Denial of Service via excessive memory allocation in Dart bindings
Denial of Service via excessive memory allocation in Dart bindings. Red Hat rates this important (CVSS 7.5). Weakness: CWE-770. Red Hat lists fixing advisory RHSA-2026:74369 with package thrift-main-0.25.0-0.1.hum1. Affected products named by the advisory: Red Hat Ceph Storage 7; Red Hat Ceph Storage 8; Red Hat Ceph Storage 9; Red Hat Enterprise Linux AI (RHEL AI) 3; and 1 more. Affected products named by the advisory: Red Hat Hardened Images.
High [CVE-2026-103885] Denial of Service via crafted telephone numbers
Denial of Service via crafted telephone numbers. Red Hat rates this important (CVSS 7.5). Weakness: CWE-835. Affected product named by the advisory: Red Hat Fuse 7.
High [CVE-2026-103877] org.apache.directory.api/api-ldap-client-api: Apache Directory LDAP API: Remote code execution via untrusted Java object deserialization
org.apache.directory.api/api-ldap-client-api: Apache Directory LDAP API: Remote code execution via untrusted Java object deserialization. Red Hat rates this important (CVSS 8.1). Weakness: CWE-502. Affected product named by the advisory: Red Hat Fuse 7.
High [CVE-2026-103552] org.apache.directory.api/api-ldap-codec-core: Apache Directory LDAP API: Denial of Service via deeply nested search filter
org.apache.directory.api/api-ldap-codec-core: Apache Directory LDAP API: Denial of Service via deeply nested search filter. Red Hat rates this important (CVSS 7.5). Weakness: CWE-770. Affected product named by the advisory: Red Hat Fuse 7.
High [CVE-2026-102731] Denial of Service via excessive memory allocation
Denial of Service via excessive memory allocation. Red Hat rates this important (CVSS 7.5). Weakness: CWE-770. Affected product named by the advisory: Red Hat Fuse 7.
High [CVE-2026-94635] Denial of Service via improper length parameter handling in Lua bindings
Denial of Service via improper length parameter handling in Lua bindings. Red Hat rates this important (CVSS 7.5). Weakness: CWE-130. Red Hat lists fixing advisory RHSA-2026:74369 with package thrift-main-0.25.0-0.1.hum1. Affected products named by the advisory: Red Hat Ceph Storage 7; Red Hat Ceph Storage 8; Red Hat Ceph Storage 9; Red Hat Enterprise Linux AI (RHEL AI) 3; and 1 more. Affected products named by the advisory: Red Hat Hardened Images.
High [CVE-2026-86344] unauthenticated worker-thread-pool exhaustion via completed-operation-then-incomplete-PDU connection requeue
unauthenticated worker-thread-pool exhaustion via completed-operation-then-incomplete-PDU connection requeue. Red Hat rates this important (CVSS 7.5). Weakness: CWE-400. Affected products named by the advisory: Red Hat Directory Server 11; Red Hat Directory Server 12; Red Hat Directory Server 13; Red Hat Enterprise Linux 10; and 2 more. Affected products named by the advisory: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9.