Red Hat Linux Security Advisories & Vulnerabilities
16040 advisories tracked · Red Hat Security Data API · direct feeds checked every minute; rate-limited sources checked less often
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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-2026-4714] Incorrect boundary conditions in the Audio/Video component
Incorrect boundary conditions in the Audio/Video component. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-125. Affected package(s): firefox, thunderbird. Resolved in Red Hat advisory RHSA-2026:6917 — 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 7; Red Hat Enterprise Linux 1.
Medium [CVE-2026-4712] Information disclosure in the Widget: Cocoa component
Information disclosure in the Widget: Cocoa component. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-359. Affected package(s): firefox, thunderbird. Resolved in Red Hat advisory RHSA-2026:6917 — 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 7; Red Hat Enterprise Linux 1.
Medium [CVE-2026-4713] Incorrect boundary conditions in the Graphics component
Incorrect boundary conditions in the Graphics component. Red Hat rates this moderate (CVSS 6.1). Weakness: CWE-787. Affected package(s): firefox, thunderbird. Resolved in Red Hat advisory RHSA-2026:6917 — 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 7; Red Hat Enterprise Linux 1.
Medium [CVE-2026-4711] Use-after-free in the Widget: Cocoa component
Use-after-free in the Widget: Cocoa component. Red Hat rates this moderate (CVSS 6.1). Weakness: CWE-825. Affected package(s): firefox, thunderbird. Resolved in Red Hat advisory RHSA-2026:6917 — 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 7; Red Hat Enterprise Linux 1.
Medium [CVE-2026-4709] Incorrect boundary conditions in the Audio/Video: GMP component
Incorrect boundary conditions in the Audio/Video: GMP component. Red Hat rates this moderate (CVSS 6.1). Weakness: CWE-787. Affected package(s): firefox, thunderbird. Resolved in Red Hat advisory RHSA-2026:6917 — 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 7; Red Hat Enterprise Linux 1.
Medium [CVE-2026-4710] Incorrect boundary conditions in the Audio/Video component
Incorrect boundary conditions in the Audio/Video component. Red Hat rates this moderate (CVSS 6.1). Weakness: CWE-787. Affected package(s): firefox, thunderbird. Resolved in Red Hat advisory RHSA-2026:6917 — 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 7; Red Hat Enterprise Linux 1.
Medium [CVE-2026-4706] Incorrect boundary conditions in the Graphics: Canvas2D component
Incorrect boundary conditions in the Graphics: Canvas2D component. Red Hat rates this moderate (CVSS 6.1). Weakness: CWE-787. Affected package(s): firefox, thunderbird. Resolved in Red Hat advisory RHSA-2026:6917 — 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 7; Red Hat Enterprise Linux 1.
Medium [CVE-2026-4707] Incorrect boundary conditions in the Graphics: Canvas2D component
Incorrect boundary conditions in the Graphics: Canvas2D component. Red Hat rates this moderate (CVSS 6.1). Weakness: CWE-823. Affected package(s): firefox, thunderbird. Resolved in Red Hat advisory RHSA-2026:6917 — 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 7; Red Hat Enterprise Linux 1.
Medium [CVE-2026-4705] Undefined behavior in the WebRTC: Signaling component
Undefined behavior in the WebRTC: Signaling component. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-475. Affected package(s): firefox, thunderbird. Resolved in Red Hat advisory RHSA-2026:6917 — 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 7; Red Hat Enterprise Linux 1.
Medium [CVE-2026-4702] JIT miscompilation in the JavaScript Engine component
JIT miscompilation in the JavaScript Engine component. Red Hat rates this moderate (CVSS 6.1). Weakness: CWE-733. Affected package(s): firefox, thunderbird. Resolved in Red Hat advisory RHSA-2026:6917 — 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 7; Red Hat Enterprise Linux 1.
Medium [CVE-2026-4701] Use-after-free in the JavaScript Engine component
Use-after-free in the JavaScript Engine component. Red Hat rates this moderate (CVSS 6.1). Weakness: CWE-825. Affected package(s): firefox, thunderbird. Resolved in Red Hat advisory RHSA-2026:6917 — 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 7; Red Hat Enterprise Linux 1.
Medium [CVE-2026-32642] Apache Artemis and Apache ActiveMQ Artemis: Unauthorized address creation due to incorrect authorization during JMS topic subscription.
Apache Artemis and Apache ActiveMQ Artemis: Unauthorized address creation due to incorrect authorization during JMS topic subscription.. Red Hat rates this moderate (CVSS 4.3). Affected package(s): artemis-server. Resolved in Red Hat advisory RHSA-2026:8509 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
Low [CVE-2026-28753] NGINX Plus and NGINX Open Source: Request manipulation via header injection in SMTP upstream requests
NGINX Plus and NGINX Open Affected products named by the advisory: nginx-main; Red Hat Enterprise Linux.
Low [CVE-2026-4718] Undefined behavior in the WebRTC: Signaling component
Undefined behavior in the WebRTC: Signaling component. Red Hat rates this low (CVSS 3.4). Weakness: CWE-475. Affected package(s): firefox, thunderbird. Resolved in Red Hat advisory RHSA-2026:6917 — 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 7; Red Hat Enterprise Linux 1.
Low [CVE-2026-4719] Incorrect boundary conditions in the Graphics: Text component
Incorrect boundary conditions in the Graphics: Text component. Red Hat rates this low (CVSS 3.4). Weakness: CWE-805. Affected package(s): firefox, thunderbird. Resolved in Red Hat advisory RHSA-2026:6917 — 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 7; Red Hat Enterprise Linux 1.
Critical [CVE-2026-33211] Information disclosure via path traversal in git resolver
Information disclosure via path traversal in git resolver. Red Hat rates this important (CVSS 9.6). Weakness: CWE-22. Affected package(s): openshift-builds/openshift-builds-rhel9-operator:1776860241, serve-tkn-cli, openshift-pipelines/pipelines-resolvers-rhel9:1774556280, openshift-pipelines/pipelines-resolvers-rhel9:1774596617, openshift-builds/openshift-builds-rhel9-operator:1776859898, openshift-pipelines/pipelines-operator-bundle:1776925111. Resolved in Red Hat advisory RHSA-2026:21932 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat OpenShift Builds 1.6.5; Red Hat OpenShift Builds 1.7.4; Red Hat OpenShift Pipelines 1.21; Red Hat Trusted Artifact Signer 1.3; and 5 more.
Critical [CVE-2026-4599] Private key recovery via incomplete comparison checks biasing DSA nonces
Private key recovery via incomplete comparison checks biasing DSA nonces. Red Hat rates this important (CVSS 9.1). Weakness: CWE-338. Affected package(s): migration-toolkit-virtualization/mtv-console-plugin-rhel9:1779139872, quay/quay-rhel8:1775169155, quay/quay-rhel8:1775253092, quay/quay-rhel9:1779204086, migration-toolkit-virtualization/mtv-console-plugin-rhel9:1778927462, quay/quay-rhel8:1775169219. Resolved in Red Hat advisory RHSA-2026:6926 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Quay 3.10; Red Hat Quay 3.12; Red Hat Quay 3.15; Red Hat Quay 3.16; and 1 more.
Critical [CVE-2026-4678] Use after free in WebGPU
Use after free in WebGPU. Red Hat rates this important (CVSS 9.6). Weakness: CWE-825. 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.
Critical [CVE-2026-4673] Heap buffer overflow in WebAudio
Heap buffer overflow in WebAudio. Red Hat rates this important (CVSS 9.6). Weakness: CWE-787. 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.
Critical [CVE-2026-4679] Integer overflow in Fonts
Integer overflow in Fonts. Red Hat rates this important (CVSS 9.6). Weakness: CWE-190. 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.
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