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Security advisories & CVEs
5245 advisories across 32 monitored vendors.
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High [CVE-2026-0877] Mitigation bypass in the DOM: Security component
Mitigation bypass in the DOM: Security component. Red Hat rates this important (CVSS 7.5). Affected package(s): thunderbird, firefox. Resolved in Red Hat advisory RHSA-2026:1413 — 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 7 Extended Lifecycle Support; Red Hat Enterprise Linux 8.2 Advanced Update Support; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; and 10 more.
High [CVE-2025-71085] BUG() in pskb_expand_head() as part of calipso_skbuff_setattr()
BUG() in pskb_expand_head() as part of calipso_skbuff_setattr(). Red Hat rates this moderate (CVSS 7.5). Weakness: CWE-190. Affected package(s): kernel, kernel-rt. Resolved in Red Hat advisory RHSA-2026:5727 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 1; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9.
High [CVE-2025-68800] Fix use-after-free when updating multicast route stats
Fix use-after-free when updating multicast route stats. Red Hat rates this moderate (CVSS 7.3). Weakness: CWE-825. Affected package(s): kernel, kernel-rt. Resolved in Red Hat advisory RHSA-2026:3966 — 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 1.
High [CVE-2025-68811] use rc_pageoff for memcpy byte offset
use rc_pageoff for memcpy byte offset. Red Hat rates this moderate (CVSS 7.1). Weakness: CWE-787. Affected package(s): kernel. Resolved in Red Hat advisory RHSA-2026:2722 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 1.
High [CVE-2026-0899] Out of bounds memory access in V8
Out of bounds memory access in V8. Red Hat rates this important (CVSS 8.8). 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-2025-71089] disable SVA when CONFIG_X86 is set
disable SVA when CONFIG_X86 is set. Red Hat rates this moderate (CVSS 7.8). Weakness: CWE-820. Affected package(s): kernel, kernel-rt. Resolved in Red Hat advisory RHSA-2026:26462 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9.
Medium [CVE-2026-0887] Clickjacking issue, information disclosure in the PDF Viewer component
Clickjacking issue, information disclosure in the PDF Viewer component. Red Hat rates this moderate (CVSS 6.1). Affected package(s): thunderbird, firefox. Resolved in Red Hat advisory RHSA-2026:1413 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 1; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8.
Medium [CVE-2026-0886] Incorrect boundary conditions in the Graphics component
Incorrect boundary conditions in the Graphics component. Red Hat rates this moderate (CVSS 6.1). Affected package(s): thunderbird, firefox. Resolved in Red Hat advisory RHSA-2026:1413 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 1; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8.
Medium [CVE-2026-0885] Use-after-free in the JavaScript: GC component
Use-after-free in the JavaScript: GC component. Red Hat rates this moderate (CVSS 6.1). Affected package(s): thunderbird, firefox. Resolved in Red Hat advisory RHSA-2026:1413 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 1; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8.
Medium [CVE-2026-0884] Use-after-free in the JavaScript Engine component
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-2026:1413 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 1; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8.
Medium [CVE-2026-0883] Information disclosure in the Networking component
Information disclosure in the Networking component. Red Hat rates this moderate (CVSS 6.1). Affected package(s): thunderbird, firefox. Resolved in Red Hat advisory RHSA-2026:1413 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 1; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8.
Low [CVE-2026-0890] Spoofing issue in the DOM: Copy & Paste and Drag & Drop component
Spoofing issue in the DOM: Copy & Paste and Drag & Drop component. Red Hat rates this low (CVSS 3.4). Affected package(s): thunderbird, firefox. Resolved in Red Hat advisory RHSA-2026:1413 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 1; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8.
High [CVE-2025-15514] Denial of Service via malformed image processing
Denial of Service via malformed image processing. Red Hat rates this important (CVSS 7.5). Weakness: CWE-395. 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 OpenShift AI (RHOAI).
High [CVE-2026-22776] Denial of Service due to excessive memory usage from compressed HTTP request bodies
Denial of Service due to excessive memory usage from compressed HTTP request bodies. Red Hat rates this important (CVSS 7.5). Weakness: CWE-409. 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-2026-22771] Unauthorized access to secrets via Lua script credential leakage
Unauthorized access to secrets via Lua script credential leakage. Red Hat rates this important (CVSS 8.8). Weakness: CWE-94. 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.
Medium [CVE-2026-22801] Information disclosure and denial of service via integer truncation in simplified write API
Information disclosure and denial of service via integer truncation in simplified write API. Red Hat rates this moderate (CVSS 6.6). Weakness: CWE-125. Affected package(s): libpng, discovery/discovery-ui-rhel9:1773273070, rhaiis/vllm-rocm-rhel9:1775680262, rhaiis/vllm-cuda-rhel9:1775680192, rhceph/rhceph, java. Resolved in Red Hat advisory RHSA-2026:5606 — 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 7; Red Hat Enterprise Linux 1.
Medium [CVE-2026-22695] Denial of service and information disclosure via heap buffer over-read in png_image_finish_read
Denial of service and information disclosure via heap buffer over-read in png_image_finish_read. Red Hat rates this moderate (CVSS 6.1). Weakness: CWE-125. Affected package(s): libpng, discovery/discovery-ui-rhel9:1773273070, rhaiis/vllm-rocm-rhel9:1775680262, rhaiis/vllm-cuda-rhel9:1775680192, rhceph/rhceph, java. Resolved in Red Hat advisory RHSA-2026:5606 — 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 7; Red Hat Enterprise Linux 1.
Medium [CVE-2026-22772] Server-Side Request Forgery (SSRF) via unanchored regex in MetaIssuer URL validation
Server-Side Request Forgery (SSRF) via unanchored regex in MetaIssuer URL validation. Red Hat rates this moderate (CVSS 5.8). Weakness: CWE-918. Affected package(s): rhtas/cosign-rhel9:1770733887, rhtas/gitsign-rhel9:1770108193, rhtas/fulcio-rhel9:1770107446, rhtas/gitsign-rhel9:1770734283, rhtas/client-server-rhel9:1770789792, rhtas/cosign-rhel9:1770107585. Resolved in Red Hat advisory RHSA-2026:2136 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
Medium [CVE-2025-68471] Denial of Service via unsolicited CNAME announcements
Denial of Service via unsolicited CNAME announcements. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-617. Affected package(s): avahi-main. Resolved in Red Hat advisory RHSA-2026:11316 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
Medium [CVE-2025-68468] Denial of Service via crafted mDNS/DNS-SD announcements
Denial of Service via crafted mDNS/DNS-SD announcements. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-617. Affected package(s): avahi-main. Resolved in Red Hat advisory RHSA-2026:11316 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.