Red Hat Linux Security Advisories & Vulnerabilities
16004 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
High [CVE-2026-46529] PDF /GoToR action argv injection enables single-click RCE via --gtk-module dlopen
PDF /GoToR action argv injection enables single-click RCE via --gtk-module dlopen. Red Hat rates this important (CVSS 7.8). Weakness: CWE-77. Affected package(s): evince. Resolved in Red Hat advisory RHSA-2026:33416 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux AppStream (v. 8); Red Hat Enterprise Linux AppStream E4S (v.9.2); Red Hat Enterprise Linux AppStream E4S (v.9.4); Red Hat Enterprise Linux AppStream EUS (v.9.6); and 13 more.
High [CVE-2026-1220] Race in V8
Race in V8. Red Hat rates this important (CVSS 7.5). Weakness: CWE-843. 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.
High [CVE-2026-6893] Root code execution via DHCP options command injection
Root code execution via DHCP options command injection. Red Hat rates this important (CVSS 7.5). Weakness: CWE-78. Affected package(s): dracut, dracut-main. Resolved in Red Hat advisory RHSA-2026:26713 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Hardened Images; Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions; Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions; and 17 more.
High [CVE-2026-49759] Denial of Service via crafted SCTP ERROR chunk
Denial of Service via crafted SCTP ERROR chunk. Red Hat rates this important (CVSS 8.2). Weakness: CWE-120. 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.
High [CVE-2026-53437] Phishing attack via improper redirect URL validation
Phishing attack via improper redirect URL validation. Red Hat rates this important (CVSS 7.4). Weakness: CWE-601. 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: OpenShift Developer Tools and Services 4.12; OpenShift Developer Tools and Services 4.15; OpenShift Developer Tools and Services 4.16; OpenShift Developer Tools and Services 4.17; and 7 more.
High [CVE-2026-53435] Arbitrary code execution via deserialization of attacker-controlled configuration
Arbitrary code execution via deserialization of attacker-controlled configuration. Red Hat rates this important (CVSS 8.8). Weakness: CWE-502. 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: OpenShift Developer Tools and Services 4.12; OpenShift Developer Tools and Services 4.13; OpenShift Developer Tools and Services 4.14; OpenShift Developer Tools and Services 4.15; and 7 more.
High [CVE-2026-12975] Unhardened SAXParser in content-type detection leads to blind XXE / SSRF / billion-laughs DoS
Unhardened SAXParser in content-type detection leads to blind XXE / SSRF / billion-laughs DoS. Red Hat rates this important (CVSS 8.5). Weakness: CWE-611. 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 build of Apicurio Registry 3.3.1.
High [CVE-2026-12992] SSRF via wsdl4j import dereference in WSDL FULL validation
SSRF via wsdl4j import dereference in WSDL FULL validation. Red Hat rates this important (CVSS 7.4). Weakness: CWE-918. 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 build of Apicurio Registry 3.3.1.
High [CVE-2026-11837] ansible.posix authorized_key: local privilege escalation via symlink-following chown
ansible.posix authorized_key: local privilege escalation via symlink-following chown. Red Hat rates this important (CVSS 7.3). Weakness: CWE-59. 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 OpenStack Platform 17.1; Red Hat OpenStack Platform 18.0; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 10.0 Extended Update Support; and 4 more.
High [CVE-2026-54099] WICD CSR extra-Organization allows privilege escalation to system:masters
WICD CSR extra-Organization allows privilege escalation to system:masters. Red Hat rates this important (CVSS 8.8). Weakness: CWE-269. 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 OpenShift Container Platform 4; Red Hat OpenShift for Windows Containers 10.22; Red Hat OpenShift for Windows Containers 10.21; OpenShift Windows Machine Config Operator 10.21; and 3 more.
High [CVE-2026-54100] SSH host key not verified enables credential theft
SSH host key not verified enables credential theft. Red Hat rates this important (CVSS 8.3). Weakness: CWE-295. 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 OpenShift Container Platform 4; Red Hat OpenShift for Windows Containers 10.22; Red Hat OpenShift for Windows Containers 10.21; OpenShift Windows Machine Config Operator 10.21; and 2 more.
Medium [CVE-2026-46692] Heap buffer over-write via `magick -distribute-cache` service connection
Heap buffer over-write via `magick -distribute-cache` service connection. Red Hat rates this moderate (CVSS 5.9). Weakness: CWE-787. Affected package(s): ImageMagick. Resolved in Red Hat advisory RHSA-2026:32961 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 7.
Medium [CVE-2025-14905 +1] 389-ds-base: 389-ds-base: heap buffer overflow in schema objectclass serialization due to missing oc_superior in size calculation
A heap buffer overflow flaw was found in 389 Directory Server. When serializing objectclass definitions, the oc_superior (SUP) field length is omitted from buffer size calculations in read_schema_dse() and schema_oc_to_string(), but the field is still written via strcat(). An attacker with Directory Manager privileges, or a compromised replication supplier, can trigger a server crash by creating objectclasses with long SUP values. This is an incomplete fix variant of CVE-2025-14905. Red Hat rates this issue as Moderate impact. Red Hat severity: Moderate — CVSS 6.5 (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H). Weakness: CWE-122. Affected Red Hat products: Red Hat Directory Server 11; Red Hat Directory Server 12; Red Hat Directory Server 13; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9. Will not fix / out of support: Red Hat Enterprise Linux 6. Red Hat does not currently list a fixing RHSA for this CVE. Affected products named by the advisory: Red Hat package: 389-ds-base.
Medium [CVE-2026-11850] integer underflow in berval2tl_data() leads to heap out-of-bounds read
integer underflow in berval2tl_data() leads to heap out-of-bounds read. Red Hat rates this moderate (CVSS 5). Weakness: CWE-191. Affected package(s): krb5-main. Resolved in Red Hat advisory RHSA-2026:25520 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Hardened Images; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; and 4 more.
Critical [CVE-2026-45445] AES-OCB IV Ignored on EVP_Cipher() Path
AES-OCB IV Ignored on EVP_Cipher() Path. Red Hat rates this moderate (CVSS 9.1). Weakness: CWE-1204. Affected package(s): insights-proxy/insights-proxy-container-rhel9:1782890503, rhui5/haproxy-rhel9:1781525671, openssl, rhui5/installer-rhel9:1781525693, rhui5/cds-rhel9:1781525684, discovery/discovery-ui-rhel9:1782166952. Resolved in Red Hat advisory RHSA-2026:29197 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 1; Red Hat Enterprise Linux 9.
High [CVE-2026-41731] Spring for Apache Kafka: Arbitrary code execution via insecure deserialization of crafted header values
Spring for Apache Kafka: Arbitrary code execution via insecure deserialization of crafted header values. Red Hat rates this important (CVSS 8.1). Weakness: CWE-502. 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 Fuse 7; Red Hat JBoss Enterprise Application Platform Expansion Pack.
High [CVE-2025-71319] Denial of Service due to infinite loop when processing specially crafted images.
Denial of Service due to infinite loop when processing specially crafted images.. Red Hat rates this important (CVSS 7.5). Weakness: CWE-835. Affected package(s): discovery/discovery-ui-rhel9:1782756541. Resolved in Red Hat advisory RHSA-2026:33313 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Discovery 2; Red Hat Trusted Artifact Signer 1.4; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8.
High [CVE-2026-45591] Denial of Service via uncontrolled resource consumption
Denial of Service via uncontrolled resource consumption. Red Hat rates this important (CVSS 7.5). Weakness: CWE-770. Affected package(s): dotnet8, dotnet8.0, dotnet9.0, dotnet9, dotnet10.0, dotnet10. Resolved in Red Hat advisory RHSA-2026:25110 — 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; Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions; Red Hat Enterprise Linux 9.6 Extended Update Support; and 1 more.
High [CVE-2026-45490] .NET SDK workload elevate: arbitrary file creation/truncation via LogFile named pipe.
.NET SDK workload elevate: arbitrary file creation/truncation via LogFile named pipe.. Red Hat rates this important (CVSS 7.8). Weakness: CWE-266. 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.
High [CVE-2026-42573] Cross-Site Scripting via DOM Clobbering
Cross-Site Scripting via DOM Clobbering. Red Hat rates this important (CVSS 8.1). Weakness: CWE-79. 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.
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.