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Red Hat Linux Security Advisories & Vulnerabilities

16037 advisories tracked · Red Hat Security Data API · direct feeds checked every minute; rate-limited sources checked less often

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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

Medium6.1Red Hat

Medium [CVE-2026-7321] Sandbox escape due to incorrect boundary conditions in the WebRTC: Networking component

Sandbox escape due to incorrect boundary conditions in the WebRTC: Networking component. Red Hat rates this moderate (CVSS 6.1). Weakness: CWE-501. Affected package(s): firefox, thunderbird. Resolved in Red Hat advisory RHSA-2026:19370 — 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; Red Hat Enterprise Linux 7.

CVE-2026-7321
Unclassified
Apr 28, 2026
Medium5.9Red Hat

Medium [CVE-2026-5435] Out-of-bounds write via TSIG record processing

Out-of-bounds write via TSIG record processing. Red Hat rates this moderate (CVSS 5.9). Weakness: CWE-120. Affected package(s): glibc-main. Resolved in Red Hat advisory RHSA-2026:12740 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.

CVE-2026-5435
Unclassified
Apr 28, 2026
Medium5.9Red Hat

Medium [CVE-2026-40356] MIT Kerberos 5 (krb5): Denial of Service via integer underflow and out-of-bounds read

MIT Kerberos 5 (krb5): Denial of Service via integer underflow and out-of-bounds read. Red Hat rates this moderate (CVSS 5.9). Weakness: CWE-191. Affected package(s): krb5-main, rhui5/haproxy-rhel9:1779798164, krb5, discovery/discovery-ui-rhel9:1782166952, discovery/discovery-server-rhel9:1782159791, rhui5/rhua-rhel9:1779798222. Resolved in Red Hat advisory RHSA-2026:12220 — 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.

CVE-2026-40356
Unclassified
Apr 28, 2026
Medium5.9Red Hat

Medium [CVE-2026-40355] Denial of Service via NULL pointer dereference in NegoEx mechanism

Denial of Service via NULL pointer dereference in NegoEx mechanism. Red Hat rates this moderate (CVSS 5.9). Weakness: CWE-476. Affected package(s): krb5-main, insights-proxy/insights-proxy-container-rhel9:1780420428, rhui5/haproxy-rhel9:1779798164, krb5, discovery/discovery-ui-rhel9:1782166952, discovery/discovery-server-rhel9:1782159791. Resolved in Red Hat advisory RHSA-2026:12220 — 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.

CVE-2026-40355
Unclassified
Apr 28, 2026
Medium5.5Vendor: HighRed Hat

Medium [CVE-2026-7351] Race in MHTML

Race in MHTML. Red Hat rates this important (CVSS 5.5). Weakness: CWE-368. 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.

CVE-2026-7351
Unclassified
Apr 28, 2026
Critical9.1Vendor: HighRed Hat

Critical [CVE-2026-40976] Security bypass due to ineffective default web security

Security bypass due to ineffective default web security. Red Hat rates this important (CVSS 9.1). Weakness: CWE-305. 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 Data Grid 8.

CVE-2026-40976
Unclassified
Apr 27, 2026
Critical9.4Red Hat

Critical [CVE-2026-33454] Altered application behavior via header injection

Altered application behavior via header injection. Red Hat rates this critical (CVSS 9.4). Weakness: CWE-1173. Affected package(s): camel-mail. Resolved in Red Hat advisory RHSA-2026:19835 — update the affected packages (`sudo dnf update`). Affected product named by the advisory: Red Hat build of Apache Camel 4 for Quarkus 3.

CVE-2026-33454
Unclassified
Apr 27, 2026
Critical9.8Vendor: LowRed Hat

Critical [CVE-2026-41635] Arbitrary code execution via classname allowlist bypass

Arbitrary code execution via classname allowlist bypass. Red Hat rates this low (CVSS 9.8). Weakness: CWE-502. Affected package(s): mina-core. Resolved in Red Hat advisory RHSA-2026:17668 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.

CVE-2026-41635
Unclassified
Apr 27, 2026
Critical9.9Red Hat

Critical [CVE-2026-40453] Remote Code Execution and Arbitrary File Write via case-variant header injection

Remote Code Execution and Arbitrary File Write via case-variant header injection. Red Hat rates this critical (CVSS 9.9). Weakness: CWE-178. Affected package(s): camel-http-starter, camel-google-pubsub, camel-http-common, camel-jms, camel-http-base, camel-http. Resolved in Red Hat advisory RHSA-2026:19835 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Build of Apache Camel 4.14 for Quarkus 3.27; Red Hat build of Apache Camel 4.18.1 for Spring Boot 3.5.14; Red Hat build of Apache Camel 4 for Quarkus 3.

CVE-2026-40453
Unclassified
Apr 27, 2026
High8.2Red Hat

High [CVE-2026-40975] Weak pseudo-random number generation can lead to information disclosure.

Weak pseudo-random number generation can lead to information disclosure.. Red Hat rates this important (CVSS 8.2). Weakness: CWE-338. Affected package(s): devspaces/openvsx-rhel9:1779528224, spring-boot, devspaces/pluginregistry-rhel9:1779359423. Resolved in Red Hat advisory RHSA-2026:25089 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat OpenShift Dev Spaces 3.28; Red Hat AMQ Clients; Red Hat build of OptaPlanner 8; Red Hat Fuse 7.

CVE-2026-40975
Unclassified
Apr 27, 2026
High7.0Vendor: MediumRed Hat

High [CVE-2026-40973] Arbitrary Code Execution and Session Hijacking via predictable temporary directory

Arbitrary Code Execution and Session Hijacking via predictable temporary directory. Red Hat rates this moderate (CVSS 7). Weakness: CWE-341. Affected package(s): devspaces/openvsx-rhel9:1779528224, spring-boot, devspaces/pluginregistry-rhel9:1779359423. Resolved in Red Hat advisory RHSA-2026:25089 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.

CVE-2026-40973
Unclassified
Apr 27, 2026
High7.5Vendor: MediumRed Hat

High [CVE-2026-40972] Remote code execution via timing attack in DevTools remote secret comparison

Remote code execution via timing attack in DevTools remote secret comparison. Red Hat rates this moderate (CVSS 7.5). Weakness: CWE-208. Affected package(s): devspaces/openvsx-rhel9:1779528224, spring-boot, devspaces/pluginregistry-rhel9:1779359423. Resolved in Red Hat advisory RHSA-2026:25089 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.

CVE-2026-40972
Unclassified
Apr 27, 2026
High8.8Red Hat

High [CVE-2026-27172] Apache Camel camel-consul: Arbitrary code execution via deserialization of untrusted data

Apache Camel camel-consul: Arbitrary code execution via deserialization of untrusted data. 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 product named by the advisory: Red Hat Enterprise Linux.

CVE-2026-27172
Unclassified
Apr 27, 2026
High8.1Red Hat

High [CVE-2026-33453] Apache Camel camel-coap: Remote code execution via CoAP URI query parameter injection

Apache Camel camel-coap: Remote code execution via CoAP URI query parameter injection. Red Hat rates this important (CVSS 8.1). Weakness: CWE-915. Affected package(s): camel-coap. Resolved in Red Hat advisory RHSA-2026:17668 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.

CVE-2026-33453
Unclassified
Apr 27, 2026
High8.2Red Hat

High [CVE-2026-40022] Information disclosure and authentication bypass in embedded HTTP/management servers

Information disclosure and authentication bypass in embedded HTTP/management servers. Red Hat rates this important (CVSS 8.2). Weakness: CWE-551. Affected package(s): camel-http-starter, camel-http-common, camel-http-base, camel-http. Resolved in Red Hat advisory RHSA-2026:17668 — update the affected packages (`sudo dnf update`). Affected product named by the advisory: Red Hat build of Apache Camel 4.18.1 for Spring Boot 3.5.14.

CVE-2026-40022
Unclassified
Apr 27, 2026
High8.8Red Hat

High [CVE-2026-40858] Apache Camel camel-infinispan: Arbitrary code execution via deserialization of untrusted data

Apache Camel camel-infinispan: Arbitrary code execution via deserialization of untrusted data. Red Hat rates this important (CVSS 8.8). Weakness: CWE-502. Affected package(s): camel-infinispan, camel-infinispan-common, camel-infinispan-embedded. Resolved in Red Hat advisory RHSA-2026:22453 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat build of Apache Camel 4.18.1 for Spring Boot 3.5.14; Red Hat build of Apache Camel 4 for Quarkus 3; Red Hat Build of Apache Camel 4.18 for Quarkus 3.33.

CVE-2026-40858
Unclassified
Apr 27, 2026
High7.5Red Hat

High [CVE-2026-40860] Remote Code Execution via deserialization of JMS ObjectMessage

Remote Code Execution via deserialization of JMS ObjectMessage. Red Hat rates this important (CVSS 7.5). Weakness: CWE-502. Affected package(s): camel-jms, camel-amqp. Resolved in Red Hat advisory RHSA-2026:22453 — update the affected packages (`sudo dnf update`). Affected product named by the advisory: Red Hat build of Apache Camel 4 for Quarkus 3.

CVE-2026-40860
Unclassified
Apr 27, 2026
High7.8Red Hat

High [CVE-2026-40048] Arbitrary code execution via insecure deserialization of crafted key files

Arbitrary code execution via insecure deserialization of crafted key files. Red Hat rates this important (CVSS 7.8). Weakness: CWE-502. 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.

CVE-2026-40048
Unclassified
Apr 27, 2026
High8.8Red Hat

High [CVE-2026-40473] Apache Camel camel-mina: Arbitrary code execution via insecure deserialization

Apache Camel camel-mina: Arbitrary code execution via insecure deserialization. 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 product named by the advisory: Red Hat Enterprise Linux.

CVE-2026-40473
Unclassified
Apr 27, 2026
High7.0Red Hat

High [CVE-2026-3006] Local privilege escalation via race condition and kernel heap overflow

Local privilege escalation via race condition and kernel heap overflow. Red Hat rates this important (CVSS 7). Weakness: CWE-368. 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.

CVE-2026-3006
Unclassified
Apr 27, 2026

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