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1151 advisories across 32 monitored vendors.
Denial of service due to use-after-free vulnerability. Red Hat rates this moderate (CVSS 6.4). Weakness: CWE-825. Affected package(s): freerdp. Resolved in Red Hat advisory RHSA-2026:19142 — update the affected packages (`sudo dnf update`).
Buffer Over-read in Wireshark. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-126. Affected package(s): wireshark. Resolved in Red Hat advisory RHSA-2026:26182 — update the affected packages (`sudo dnf update`).
Improperly Controlled Sequential Memory Allocation in Wireshark. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-1325. Affected package(s): wireshark. Resolved in Red Hat advisory RHSA-2026:26182 — update the affected packages (`sudo dnf update`).
Information Disclosure via improper role enforcement in UMA 2.0 Protection API. Red Hat rates this moderate (CVSS 4.3). Weakness: CWE-280. Affected package(s): rhbk/keycloak-operator-bundle:26.4.11, rhbk/keycloak-rhel9, rhbk/keycloak-rhel9-operator:26.4, rhbk/keycloak-rhel9:26.4. Resolved in Red Hat advisory RHSA-2026:6478 — update the affected packages (`sudo dnf update`).
Missing Authorization Check Allows Unprivileged Users to Back Up LUKS Headers via udisks D-Bus API. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-862. Affected package(s): udisks2. Resolved in Red Hat advisory RHSA-2026:5831 — update the affected packages (`sudo dnf update`).
Incorrect boundary conditions in the Audio/Video: GMP component. Red Hat rates this moderate (CVSS 6.1). Affected package(s): thunderbird, firefox. Resolved in Red Hat advisory RHSA-2026:3984 — update the affected packages (`sudo dnf update`).
Use-after-free in the Graphics: ImageLib component. Red Hat rates this moderate (CVSS 6.1). Affected package(s): thunderbird, firefox. Resolved in Red Hat advisory RHSA-2026:3984 — update the affected packages (`sudo dnf update`).
Use-after-free in the DOM: Window and Location component. Red Hat rates this moderate (CVSS 6.1). Affected package(s): thunderbird, firefox. Resolved in Red Hat advisory RHSA-2026:3984 — update the affected packages (`sudo dnf update`).
Invalid pointer in the JavaScript Engine component. Red Hat rates this moderate (CVSS 6.1). Affected package(s): thunderbird, firefox. Resolved in Red Hat advisory RHSA-2026:3984 — update the affected packages (`sudo dnf update`).
Use-after-free in the JavaScript Engine component. Red Hat rates this moderate (CVSS 6.1). Affected package(s): thunderbird, firefox. Resolved in Red Hat advisory RHSA-2026:3984 — update the affected packages (`sudo dnf update`).
Mitigation bypass in the DOM: Security component. Red Hat rates this moderate (CVSS 6.1). Affected package(s): thunderbird, firefox. Resolved in Red Hat advisory RHSA-2026:3984 — update the affected packages (`sudo dnf update`).
Information disclosure due to JIT miscompilation in the JavaScript Engine: JIT component. Red Hat rates this moderate (CVSS 6.1). Affected package(s): thunderbird, firefox. Resolved in Red Hat advisory RHSA-2026:3984 — update the affected packages (`sudo dnf update`).
Privilege escalation in the Netmonitor component. Red Hat rates this moderate (CVSS 6.1). Affected package(s): thunderbird, firefox. Resolved in Red Hat advisory RHSA-2026:3984 — update the affected packages (`sudo dnf update`).
Integer overflow in the Libraries component in NSS. Red Hat rates this moderate (CVSS 6.1). Affected package(s): thunderbird, firefox. Resolved in Red Hat advisory RHSA-2026:3984 — update the affected packages (`sudo dnf update`).
Incorrect boundary conditions in the Networking: JAR component. Red Hat rates this moderate (CVSS 6.1). Affected package(s): thunderbird, firefox. Resolved in Red Hat advisory RHSA-2026:3984 — update the affected packages (`sudo dnf update`).
Privilege escalation via manage-clients permission. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-266. Affected package(s): rhbk/keycloak-operator-bundle:26.4.11, rhbk/keycloak-rhel9, rhbk/keycloak-rhel9-operator:26.4, rhbk/keycloak-rhel9:26.4. Resolved in Red Hat advisory RHSA-2026:6478 — update the affected packages (`sudo dnf update`).
GraphQL Injection Leading to Platform-Wide Denial of Service (DoS) in RH Developer Hub Orchestrator Plugin. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-89. Affected package(s): rhdh/rhdh-hub-rhel9:1777903262, rhdh/rhdh-hub-rhel9:1776784286. Resolved in Red Hat advisory RHSA-2026:13826 — update the affected packages (`sudo dnf update`).
Denial of service via double free in tiffcrop.c. Red Hat rates this moderate (CVSS 5). Weakness: CWE-1341. Affected package(s): libtiff-main. Resolved in Red Hat advisory RHSA-2026:7504 — update the affected packages (`sudo dnf update`).
Denial of Service via buffer overflow. Red Hat rates this moderate (CVSS 5). Weakness: CWE-805. Affected package(s): libtiff-main. Resolved in Red Hat advisory RHSA-2026:7504 — update the affected packages (`sudo dnf update`).
Denial of Service via NULL pointer dereference in tif_open.c. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-476. Affected package(s): libtiff-main. Resolved in Red Hat advisory RHSA-2026:7504 — update the affected packages (`sudo dnf update`).