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
Get an email when Red Hat publishes the next one.
See Red Hat's last 90 days of advisories first. Then choose one product with live alerts free for life, or a free month of real-time alerts on everything with the severity, the fixed version and the vendor's link (card needed, then US$15/month; we email you before the first charge).
iPhone and Android apps · New on the App Store
Monitor Red Hat CVEs from your phone.
Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 34 official vendor sources and 160+ reviewed platform categories.
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.
Official source
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
Medium [CVE-2026-43515] Improper Authorization allows security bypass
Improper Authorization allows security bypass. Red Hat rates this moderate (CVSS 5.4). Weakness: CWE-551. Affected package(s): tomcat11-main. Resolved in Red Hat advisory RHSA-2026:13745 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
Medium [CVE-2026-43512] Authentication bypass via digest authentication
Authentication bypass via digest authentication. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-303. Affected package(s): tomcat10-main, tomcat11-main, devspaces/server-rhel9:1780694994. Resolved in Red Hat advisory RHSA-2026:25123 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
Medium [CVE-2026-42498] Information disclosure due to HTTP Authentication Header exposure during WebSocket authentication.
Information disclosure due to HTTP Authentication Header exposure during WebSocket authentication.. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-201. Affected package(s): tomcat10-main, tomcat11-main. Resolved in Red Hat advisory RHSA-2026:13745 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
Low [CVE-2026-43514] Information disclosure via AJP secret timing discrepancy
Information disclosure via AJP secret timing discrepancy. Red Hat rates this low (CVSS 3.7). Weakness: CWE-208. Affected package(s): tomcat10-main, tomcat11-main. Resolved in Red Hat advisory RHSA-2026:13745 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
High [CVE-2026-2614] Arbitrary file read via bypassed source path validation
Arbitrary file read via bypassed source path validation. Red Hat rates this important (CVSS 7.5). Weakness: CWE-22. Affected package(s): rhoai/odh-th06-cuda130-torch210-py312-rhel9:1782136276, rhoai/odh-th06-cpu-torch210-py312-rhel9:1782135464, rhoai/odh-training-cuda128-torch29-py312-rhel9:1782132240, rhoai/odh-th06-rocm64-torch291-py312-rhel9:1782135346. Resolved in Red Hat advisory RHSA-2026:34456 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat OpenShift AI 3.3; Red Hat OpenShift AI 3.4; Red Hat OpenShift AI (RHOAI).
High [CVE-2026-4802] Arbitrary command execution via crafted links in system logs UI
Arbitrary command execution via crafted links in system logs UI. Red Hat rates this important (CVSS 8). Weakness: CWE-78. Affected package(s): cockpit. Resolved in Red Hat advisory RHSA-2026:21390 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.6 Telecommunications Update Service; Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions; and 6 more.
High [CVE-2026-43500] "Dirty Frag" RxRPC variant is a new universal Local Privilege Escalation (LPE) vulnerability in the Linux kernel
"Dirty Frag" RxRPC variant is a new universal Local Privilege Escalation (LPE) vulnerability in the Linux kernel. Red Hat rates this important (CVSS 7.8). Weakness: CWE-123. 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 Enterprise Linux.
Medium [CVE-2026-43896] stack overflow in recursive object merge
stack overflow in recursive object merge. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-674. Affected package(s): jq-main. Resolved in Red Hat advisory RHSA-2026:29986 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
Medium [CVE-2026-43895] embedded NUL in jq import paths causes local redaction-policy bypass and preserves sensitive fields in published artifacts
embedded NUL in jq import paths causes local redaction-policy bypass and preserves sensitive fields in published artifacts. Red Hat rates this moderate (CVSS 4.4). Weakness: CWE-20. Affected package(s): jq-main. Resolved in Red Hat advisory RHSA-2026:29986 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
Medium [CVE-2026-43894] Arbitrary Code Execution or Denial of Service via Signed Integer Overflow
Arbitrary Code Execution or Denial of Service via Signed Integer Overflow. Red Hat rates this moderate (CVSS 6.2). Weakness: CWE-190. Affected package(s): jq-main. Resolved in Red Hat advisory RHSA-2026:29986 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
Medium [CVE-2026-41256] embedded NUL truncates top-level jq programs loaded with -f
embedded NUL truncates top-level jq programs loaded with -f. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-158. Affected package(s): jq-main. Resolved in Red Hat advisory RHSA-2026:29986 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
Medium [CVE-2026-40612] stack overflow via unbounded recursion in jv_contains
stack overflow via unbounded recursion in jv_contains. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-674. Affected package(s): jq-main. Resolved in Red Hat advisory RHSA-2026:29986 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
Medium [CVE-2026-41257] signed-int overflow in stack_reallocate
signed-int overflow in stack_reallocate. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-190. Affected package(s): jq-main. Resolved in Red Hat advisory RHSA-2026:29986 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
High [CVE-2026-8177] XML::LibXML: Denial of Service via truncated UTF-8 in XML node names
XML::LibXML: Denial of Service via truncated UTF-8 in XML node names. Red Hat rates this important (CVSS 7.5). Weakness: CWE-125. 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 Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions; and 2 more.
High [CVE-2026-45186] denial of service via crafted XML input
denial of service via crafted XML input. Red Hat rates this important (CVSS 7.5). Weakness: CWE-407. Affected package(s): expat, rhui5/haproxy-rhel9:1781525671, rhui5/installer-rhel9:1781525693, rhui5/cds-rhel9:1781525684, libexpat, discovery/discovery-ui-rhel9:1782166952. Resolved in Red Hat advisory RHSA-2026:22715 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux AppStream (v. 10); Red Hat Enterprise Linux AppStream (v. 9); Red Hat Enterprise Linux BaseOS (v. 10); Red Hat Enterprise Linux BaseOS (v. 8); and 9 more.
High [CVE-2026-7263] denial of service via DOMNode::C14N()
denial of service via DOMNode::C14N(). Red Hat rates this important (CVSS 7.5). Weakness: CWE-835. Affected package(s): php8.4. Resolved in Red Hat advisory RHSA-2026:22649 — update the affected packages (`sudo dnf update`). Affected product named by the advisory: Red Hat Enterprise Linux 10.
High [CVE-2026-6104] global buffer over-read in mb_convert_encoding() with attacker-supplied encoding
global buffer over-read in mb_convert_encoding() with attacker-supplied encoding. Red Hat rates this important (CVSS 8.2). Weakness: CWE-125. Affected package(s): php8.4. Resolved in Red Hat advisory RHSA-2026:22649 — update the affected packages (`sudo dnf update`). Affected product named by the advisory: Red Hat Enterprise Linux 10.
High [CVE-2026-6722] PHP SOAP extension: Remote Code Execution via use-after-free vulnerability
PHP SOAP extension: Remote Code Execution via use-after-free vulnerability. Red Hat rates this important (CVSS 7.7). Weakness: CWE-825. Affected package(s): php, php:7.4. Resolved in Red Hat advisory RHSA-2026:33449 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 7.
High [CVE-2026-7262] NULL pointer dereference in SOAP apache:Map decoder with missing <value>
NULL pointer dereference in SOAP apache:Map decoder with missing. Red Hat rates this important (CVSS 7.5). Weakness: CWE-476. Affected package(s): php, php8.4, php:8.2, php:7.4, php:8.3. Resolved in Red Hat advisory RHSA-2026:22649 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9.
High [CVE-2025-14179] SQL injection in pdo_firebird via NUL bytes in quoted strings
SQL injection in pdo_firebird via NUL bytes in quoted strings. Red Hat rates this important (CVSS 8.1). Weakness: CWE-89. 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 10.
Free weekly CVE digest
Every Monday: the week's critical and high advisories for Red Hat or every vendor, new CISA KEV entries and upcoming end-of-life dates.