Red Hat Linux Security Advisories & Vulnerabilities
16036 advisories tracked · Red Hat Security Data API · direct feeds checked every minute; rate-limited sources checked less often
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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, so keep the system patched. This is the release's advisory history, not a per-package scan.
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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
Medium [CVE-2026-8535] Out of bounds read in Media
Out of bounds read in Media. Red Hat rates this important (CVSS 4.4). Weakness: CWE-125. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Enterprise Linux.
Medium [CVE-2026-8516] Insufficient validation of untrusted input in DataTransfer
Insufficient validation of untrusted input in DataTransfer. Red Hat rates this critical (CVSS 6.5). Weakness: CWE-1286. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Enterprise Linux.
Medium [CVE-2026-6575] Information disclosure via buffer over-read in pg_restore_attribute_stats()
Information disclosure via buffer over-read in pg_restore_attribute_stats(). Red Hat rates this moderate (CVSS 4.3). Weakness: CWE-805. Affected package(s): postgresql17-main, postgresql18-main. Resolved in Red Hat advisory RHSA-2026:22878 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
Medium [CVE-2026-6475] Operating system account hijack via symlink following in pg_basebackup and pg_rewind
Operating system account hijack via symlink following in pg_basebackup and pg_rewind. Red Hat rates this moderate (CVSS 6.7). Weakness: CWE-59. Affected package(s): postgresql, postgresql:12, postgresql:18, postgresql:15, libpq, postgresql16. Resolved in Red Hat advisory RHSA-2026:26561 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 1.
Medium [CVE-2026-6474] Information disclosure via externally-controlled format string in timeofday() function
Information disclosure via externally-controlled format string in timeofday() function. Red Hat rates this moderate (CVSS 4.3). Weakness: CWE-134. Affected package(s): postgresql18-main. Resolved in Red Hat advisory RHSA-2026:22878 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
Medium [CVE-2026-6472] PostgreSQL CREATE TYPE does not check multirange schema CREATE privilege
PostgreSQL CREATE TYPE does not check multirange schema CREATE privilege. Red Hat rates this moderate (CVSS 5.4). Weakness: CWE-862. Affected package(s): postgresql17-main, postgresql18-main. Resolved in Red Hat advisory RHSA-2026:22878 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
Critical [CVE-2026-44005] Sandbox Escape leading to Arbitrary Code Execution
Sandbox Escape leading to Arbitrary Code Execution. Red Hat rates this important (CVSS 9.8). Weakness: CWE-653. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Ansible Automation Platform 2.1.
Critical [CVE-2026-45411] Arbitrary Code Execution due to sandbox escape vulnerability
Arbitrary Code Execution due to sandbox escape vulnerability. Red Hat rates this important (CVSS 9.8). Weakness: CWE-237. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Ansible Automation Platform 2.1.
Critical [CVE-2026-44009] Arbitrary Code Execution via Sandbox Escape
Arbitrary Code Execution via Sandbox Escape. Red Hat rates this important (CVSS 9.8). Weakness: CWE-653. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Ansible Automation Platform 2.1.
Critical [CVE-2026-44008] Arbitrary code execution due to sandbox escape
Arbitrary code execution due to sandbox escape. Red Hat rates this important (CVSS 9.8). Weakness: CWE-1100. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Ansible Automation Platform 2.1.
Critical [CVE-2026-44007] Arbitrary code execution via nested NodeVM bypass
Arbitrary code execution via nested NodeVM bypass. Red Hat rates this important (CVSS 9.9). Weakness: CWE-1100. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Ansible Automation Platform 2.1.
Critical [CVE-2026-44006] Sandbox escape via arbitrary prototype access leading to arbitrary code execution
Sandbox escape via arbitrary prototype access leading to arbitrary code execution. Red Hat rates this important (CVSS 10). Weakness: CWE-914. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Ansible Automation Platform 2.1.
Critical [CVE-2026-43999] Remote code execution via NodeVM builtin allowlist bypass
Remote code execution via NodeVM builtin allowlist bypass. Red Hat rates this important (CVSS 9.9). Weakness: CWE-829. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Ansible Automation Platform 2.1.
Critical [CVE-2026-43997] Arbitrary code execution via sandbox escape
Arbitrary code execution via sandbox escape. Red Hat rates this important (CVSS 10). Weakness: CWE-653. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Ansible Automation Platform 2.1.
High [CVE-2026-42561] Denial of Service via excessive multipart part headers
Denial of Service via excessive multipart part headers. Red Hat rates this important (CVSS 7.5). Weakness: CWE-606. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected products named by the advisory: python-multipart; Red Hat OpenShift AI 3.3; Red Hat AI Inference Server; Red Hat Enterprise Linux AI (RHEL AI) 3; and 6 more.
High [CVE-2026-44248] Denial of Service due to excessive resource consumption from crafted MQTT 5 header
Denial of Service due to excessive resource consumption from crafted MQTT 5 header. Red Hat rates this important (CVSS 7.5). Weakness: CWE-770. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected products named by the advisory: Red Hat build of Apache Camel 4.18.1.P1 for Spring Boot 3.5.16; Red Hat Fuse 7; Red Hat Process Automation 7; Red Hat Data Grid 8.6.2; and 3 more.
High [CVE-2026-42587] Denial of Service via unbounded memory allocation in HTTP content decompression
Denial of Service via unbounded memory allocation in HTTP content decompression. Red Hat rates this important (CVSS 7.5). Weakness: CWE-770. Affected package(s): devspaces/pluginregistry-rhel9:1780696380, cryostat/jfr-datasource-rhel9:4.2.0, netty-codec-http, devspaces/openvsx-rhel9:1780948325, devspaces/server-rhel9:1780694994, cryostat/cryostat-reports-rhel9:4.2.0. Resolved in Red Hat advisory RHSA-2026:23808 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Cryostat 4 on RHEL 9; Red Hat build of Apache Camel 4.18.1.P1 for Spring Boot 3.5.16; Red Hat build of Quarkus 3.27.4; Red Hat OpenShift Dev Spaces 3.28; and 25 more.
High [CVE-2026-42584] Incorrect HTTP response parsing leads to data confusion
Incorrect HTTP response parsing leads to data confusion. Red Hat rates this important (CVSS 7.3). Weakness: CWE-444. Affected package(s): devspaces/pluginregistry-rhel9:1780696380, cryostat/jfr-datasource-rhel9:4.2.0, netty-codec-http, devspaces/openvsx-rhel9:1780948325, devspaces/server-rhel9:1780694994, cryostat/cryostat-reports-rhel9:4.2.0. Resolved in Red Hat advisory RHSA-2026:23808 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Cryostat 4 on RHEL 9; Red Hat build of Apache Camel 4.18.1.P1 for Spring Boot 3.5.16; Red Hat build of Quarkus 3.27.4; Red Hat OpenShift Dev Spaces 3.28; and 26 more.
High [CVE-2026-42583] Denial of Service via excessive memory allocation in LZ4FrameDecoder
Denial of Service via excessive memory allocation in LZ4FrameDecoder. Red Hat rates this important (CVSS 7.5). Weakness: CWE-770. Resolved in Red Hat advisory RHSA-2026:34608 — update the affected packages (`sudo dnf update`). Affected product named by the advisory: Red Hat Enterprise Linux.
High [CVE-2026-42579] High integrity impact due to improper DNS domain name constraint enforcement
High integrity impact due to improper DNS domain name constraint enforcement. Red Hat rates this important (CVSS 7.5). Weakness: CWE-1286. Affected package(s): netty-codec-dns, devspaces/pluginregistry-rhel9:1780696380, cryostat/jfr-datasource-rhel9:4.2.0, devspaces/openvsx-rhel9:1780948325, devspaces/server-rhel9:1780694994, cryostat/cryostat-reports-rhel9:4.2.0. Resolved in Red Hat advisory RHSA-2026:23808 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Cryostat 4 on RHEL 9; Red Hat build of Apache Camel 4.18.1.P1 for Spring Boot 3.5.16; Red Hat build of Quarkus 3.27.4; Red Hat OpenShift Dev Spaces 3.28; and 22 more.
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