Red Hat Linux Red Hat Enterprise Linux Vulnerabilities & Security Advisories
1201 advisories tracked · Red Hat Security Data API · 3 listed in the CISA Known Exploited Vulnerabilities catalog
Every row below is a published Red Hat Linux advisory that VulniPulse classified as Red Hat Enterprise Linux, with the CVEs, affected and fixed releases and exploitation status the vendor stated. Severity mix: 31 critical, 792 high, 361 medium, 17 low.
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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 Linux Red Hat Enterprise Linux advisories
High [CVE-2026-50258] stack buffer overflow in XKB key types due to unchecked shift levels
stack buffer overflow in XKB key types due to unchecked shift levels. Red Hat rates this important (CVSS 7.8). Weakness: CWE-121. Affected package(s): xorg-x11-server, xorg-x11-server-Xwayland, tigervnc. Resolved in Red Hat advisory RHSA-2026:26562 — 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 8.4 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On; and 8 more.
High [CVE-2026-50259] stack buffer overflow in XKB SetMap request via mapWidths indexing
stack buffer overflow in XKB SetMap request via mapWidths indexing. Red Hat rates this important (CVSS 7.8). Weakness: CWE-121. Affected package(s): xorg-x11-server, xorg-x11-server-Xwayland, tigervnc. Resolved in Red Hat advisory RHSA-2026:26562 — 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 8.4 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On; and 8 more.
High [CVE-2026-50260] use-after-free in FreeCounter()
use-after-free in FreeCounter(). Red Hat rates this important (CVSS 7.8). Weakness: CWE-416. Affected package(s): xorg-x11-server, xorg-x11-server-Xwayland, tigervnc. Resolved in Red Hat advisory RHSA-2026:26562 — 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 8.4 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On; and 8 more.
High [CVE-2026-50261] use-after-free in SyncChangeCounter()
use-after-free in SyncChangeCounter(). Red Hat rates this important (CVSS 7.8). Weakness: CWE-416. Affected package(s): xorg-x11-server, xorg-x11-server-Xwayland, tigervnc. Resolved in Red Hat advisory RHSA-2026:26562 — 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 8.4 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On; and 8 more.
High [CVE-2026-50264] out-of-bounds heap write in DRI2 DRIGetBuffers/DRIGetBuffersWithFormat
out-of-bounds heap write in DRI2 DRIGetBuffers/DRIGetBuffersWithFormat. Red Hat rates this important (CVSS 7.8). Weakness: CWE-787. Affected package(s): xorg-x11-server, xorg-x11-server-Xwayland, tigervnc. Resolved in Red Hat advisory RHSA-2026:26562 — 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 8.4 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On; and 8 more.
High [CVE-2026-49121] AI Tensor Engine for ROCm (AITER): Remote Code Execution via Unauthenticated Pickle Deserialization
AI Tensor Engine for ROCm (AITER): Remote Code Execution via Unauthenticated Pickle Deserialization. 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 AI Inference Server; Red Hat Enterprise Linux AI (RHEL AI) 3; Red Hat OpenShift AI (RHOAI).
High [CVE-2026-10118] Integer overflow in Poppler SplashOutputDev::tilingPatternFill leads to heap buffer overflow via unchecked dimension multiplication
Integer overflow in Poppler SplashOutputDev::tilingPatternFill leads to heap buffer overflow via unchecked dimension multiplication. Red Hat rates this important (CVSS 7.8). Weakness: CWE-190. Affected package(s): rhaiis/model-opt-cuda-rhel9:1782352950, rhaiis/vllm-spyre-rhel9:1782352919, poppler, rhaiis/vllm-rocm-rhel9:1782353093, rhaiis/vllm-cuda-rhel9:1782352847, poppler-main. Resolved in Red Hat advisory RHSA-2026:29952 — 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 8.4 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On; and 9 more.
High [CVE-2026-46385] CPU Exhaustion in Avro Decoder via Unbounded Block-Count Iteration
CPU Exhaustion in Avro Decoder via Unbounded Block-Count Iteration. Red Hat rates this important (CVSS 7.5). Weakness: CWE-835. Affected package(s): rhacm2/acm-grafana-rhel9:1782383730. Resolved in Red Hat advisory RHSA-2026:30651 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Advanced Cluster Management for Kubernetes 2.13; Red Hat Hardened Images; Red Hat Advanced Cluster Management for Kubernetes 2.11; Red Hat multicluster global hub 1.4.3; and 2 more.
High [CVE-2026-45700] Out-of-bounds write in planar bitmap decoder allows arbitrary code execution
Out-of-bounds write in planar bitmap decoder allows arbitrary code execution. Red Hat rates this important (CVSS 8.8). Weakness: CWE-787. 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 10.0 Extended Update Support; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On; Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support; and 7 more.
High [CVE-2026-44420] Arbitrary code execution and denial of service via heap-buffer-overflow
Arbitrary code execution and denial of service via heap-buffer-overflow. Red Hat rates this important (CVSS 8.8). Weakness: CWE-131. 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 10; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9.
High [CVE-2026-44422] Arbitrary code execution or denial of service via heap use-after-free in RDPEAR NDR parser
Arbitrary code execution or denial of service via heap use-after-free in RDPEAR NDR parser. Red Hat rates this important (CVSS 7.5). Weakness: CWE-825. 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 10; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; and 1 more.
High [CVE-2026-44421] Arbitrary code execution via crafted RDPGFX PDUs
Arbitrary code execution via crafted RDPGFX PDUs. Red Hat rates this important (CVSS 8.8). Weakness: CWE-787. 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 10; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9.
High [CVE-2026-48526] Authentication bypass due to forged JSON Web Tokens
Authentication bypass due to forged JSON Web Tokens. Red Hat rates this important (CVSS 7.4). Weakness: CWE-347. Affected package(s): ansible-automation-platform, quay/quay-rhel8:1782487717, python3.12-pyjwt, quay/quay-rhel8:1781878070, fence-agents, quay/quay-rhel8:1781937357. Resolved in Red Hat advisory RHSA-2026:35837 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Ansible Automation Platform 2.6 for RHEL 9; 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 20 more.
High [CVE-2026-46116] defensively unhash xfrm_state lists in __xfrm_state_delete
defensively unhash xfrm_state lists in __xfrm_state_delete. Red Hat rates this important (CVSS 7). Weakness: CWE-763. 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 10.0 Extended Update Support; Red Hat Enterprise Linux 7 Extended Lifecycle Support; Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions; Red Hat Enterprise Linux 9.6 Extended Update Support; and 5 more.
High [CVE-2026-46181] Fix mis-use of RCU in mlx4_srq_event()
Fix mis-use of RCU in mlx4_srq_event(). Red Hat rates this important (CVSS 7). Weakness: CWE-366. Affected package(s): kernel-rt, kernel. Resolved in Red Hat advisory RHSA-2026:25120 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 7 Extended Lifecycle Support; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On; Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support; and 6 more.
High [CVE-2026-46152] drop stray 'static' from fast-RX rx_result
drop stray 'static' from fast-RX rx_result. Red Hat rates this important (CVSS 7). Weakness: CWE-1058. Affected package(s): kernel, kernel-rt. Resolved in Red Hat advisory RHSA-2026:27288 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux AppStream (v. 10); Red Hat Enterprise Linux AppStream E4S (v.9.4); Red Hat Enterprise Linux AppStream EUS (v.9.6); Red Hat Enterprise Linux AppStream (v. 9); and 23 more.
High [CVE-2026-46227] revalidate list cursor after sctp_sendmsg_to_asoc() in SCTP_SENDALL
revalidate list cursor after sctp_sendmsg_to_asoc() in SCTP_SENDALL. Red Hat rates this important (CVSS 7). Weakness: CWE-367. Affected package(s): kernel, kernel-rt. Resolved in Red Hat advisory RHSA-2026:34094 — 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 8.4 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On; Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support; and 6 more.
High [CVE-2026-46117] Remove user triggerable WARN_ON() in mana_ib_create_qp_rss()
Remove user triggerable WARN_ON() in mana_ib_create_qp_rss(). Red Hat rates this important (CVSS 7). Weakness: CWE-1288. Affected package(s): kernel. Resolved in Red Hat advisory RHSA-2026:30129 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 8.
High [CVE-2026-46145] Validate rx_hash_key_len
Validate rx_hash_key_len. Red Hat rates this important (CVSS 7). Weakness: CWE-787. Affected package(s): kernel, kernel-rt. Resolved in Red Hat advisory RHSA-2026:27354 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9.
High [CVE-2026-46189] Fix double free on pvrdma_alloc_ucontext() error path
Fix double free on pvrdma_alloc_ucontext() error path. Red Hat rates this important (CVSS 7). Weakness: CWE-1341. Affected package(s): kernel. Resolved in Red Hat advisory RHSA-2026:30848 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux AppStream (v. 10); 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 34 more.