Red Hat Linux Security Advisories & CVEs
11218 advisories tracked · Red Hat Security Data API · direct feeds checked every minute; rate-limited backstops use a safe source cadence
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Security advisories for your Red Hat release
Pick your distribution release to see every advisory issued for it and its severity mix. Fixes ship as errata — keep the system patched. This is the release's advisory history, not a per-package scan.
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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
Low [CVE-2026-88841] dpkg write_status_file stale cursor causes out-of-bounds read and status file corruption
dpkg write_status_file() stale cursor causes out-of-bounds read and status file corruption. Red Hat rates this low (CVSS 3.3). Weakness: CWE-125. Red Hat lists fixing advisory RHSA-2026:73514 with package busybox-main-1.37.0-9.2.hum1. Affected product named by the advisory: Red Hat Hardened Images.
Low [CVE-2026-91182] Privilege escalation and unauthorized resource modification in gRPC broker
Privilege escalation and unauthorized resource modification in gRPC broker. Red Hat rates this low (CVSS 3.3). Weakness: CWE-639.
Low [CVE-2026-75973] Cross-context authentication mix-up via Jakarta Authentication misconfiguration
Cross-context authentication mix-up via Jakarta Authentication misconfiguration. Red Hat rates this low. Weakness: CWE-305. Red Hat lists fixing advisory RHSA-2026:68257 with package tomcat11-main-11.0.26-0.1.hum1, tomcat10-main-10.1.60-0.1.hum1. Affected products named by the advisory: Red Hat Hardened Images; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; and 8 more. Affected products named by the advisory: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat JBoss Web Server 5; Red Hat JBoss Web Server 6; and 4 more.
High [CVE-2026-96269] Arbitrary code execution upon opening a file
Arbitrary code execution upon opening a file. Red Hat rates this important (CVSS 7.8). Weakness: CWE-94. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat package: emacs.
High [CVE-2026-94574] hardcoded configuration file writable by unprivileged users
hardcoded configuration file writable by unprivileged users. Red Hat rates this important (CVSS 7.8). Weakness: CWE-427.
High [CVE-2026-13087] Heap out-of-bounds write in the Linux kernel RPC-over-RDMA server reply path...
Heap out-of-bounds write in the Linux kernel RPC-over-RDMA server reply path... Red Hat rates this important (CVSS 8.8). Weakness: CWE-787. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; and 3 more. Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux for NVIDIA 26; Red Hat package: kernel-rt.
High [CVE-2026-95818] Local attacker can cause denial of service and information disclosure via stack-based buffer overflow.
Local attacker can cause denial of service and information disclosure via stack-based buffer overflow. Red Hat rates this moderate (CVSS 7). Weakness: CWE-120. Red Hat lists fixing advisory RHSA-2026:72503 with package glibc-main-2.43-8.7.hum1. 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 3 more. Affected products named by the advisory: Red Hat Hardened Images; Red Hat OpenShift Container Platform 4; Red Hat package: glibc.
High [CVE-2026-86805] Privilege escalation and arbitrary code execution via TOCTOU race condition in dynamic loader
Privilege escalation and arbitrary code execution via TOCTOU race condition in dynamic loader. Red Hat rates this moderate (CVSS 7). Weakness: CWE-367. Red Hat lists fixing advisory RHSA-2026:72503 with package glibc-main-2.43-8.7.hum1. 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 3 more. Affected products named by the advisory: Red Hat Hardened Images; Red Hat OpenShift Container Platform 4; Red Hat package: glibc.
High [CVE-2026-94640] Rpcbind: unbounded memory allocation in rpcbind statistics tracking allows unauthenticated remote denial of service
A flaw was found in rpcbind. This vulnerability allows a remote, unauthenticated attacker to cause a Denial of Service (DoS) by sending a large number of unique requests. The rpcbind service records previously unseen RPC (Remote Procedure Call) statistics in unbounded in-memory lists, leading to persistent memory growth and increased CPU usage. This can degrade or exhaust service availability. Red Hat severity: Important — CVSS 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H). Weakness: CWE-400. Affected Red Hat products: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4. Red Hat does not currently list a fixing RHSA for this CVE. Affected products named by the advisory: Red Hat package: rpcbind.
High [CVE-2026-63374] TLS certificate spoofing via improper internationalized domain name encoding
TLS certificate spoofing via improper internationalized domain name encoding. Red Hat rates this moderate (CVSS 7.4). Weakness: CWE-295. Red Hat lists fixing advisory RHSA-2026:73929 with package rhaiis/vllm-rocm-rhel9:1790621713, rhaiis/vllm-cuda-rhel9:1790621718. Affected products named by the advisory: Red Hat AI Inference Server 3.2; Confidential Compute Attestation; Exploit Intelligence; Lightspeed Core; and 9 more. Affected products named by the advisory: Migration Toolkit for Applications 8; Migration Toolkit for Containers; OpenShift Lightspeed; Red Hat Ansible Automation Platform 2; and 5 more.
High [CVE-2026-77619] Denial of Service via unbounded memory allocation in Logstash source
Denial of Service via unbounded memory allocation in Logstash source. Red Hat rates this important (CVSS 7.5). Weakness: CWE-770. Affected product named by the advisory: Logging Subsystem for Red Hat OpenShift.
High [CVE-2026-95619] libstdc++ integer overflow in `new` operator
libstdc++ integer overflow in `new` operator. Red Hat rates this moderate (CVSS 7.7). Weakness: CWE-190. Red Hat lists fixing advisory RHSA-2026:67275 with package gcc-main-16.2.1-2.hum1, gcc13-main-13.5.0-0.1.hum1. Affected products named by the advisory: Red Hat Hardened Images; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; and 3 more. Affected products named by the advisory: Red Hat package: gcc; Red Hat package: mingw-gcc; Red Hat package: rteval-loads.
High [CVE-2026-63276] stack buffer overflow in CFF to Type 1 font conversion
stack buffer overflow in CFF to Type 1 font conversion. Red Hat rates this moderate (CVSS 7.3). Weakness: CWE-121. Affected products named by the advisory: Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; and 1 more. Affected products named by the advisory: Red Hat package: libreoffice.
High [CVE-2026-63275] stack buffer overflow in CFF font hint handling
stack buffer overflow in CFF font hint handling. Red Hat rates this moderate (CVSS 7.3). Weakness: CWE-121. Affected products named by the advisory: Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; and 1 more. Affected products named by the advisory: Red Hat package: libreoffice.
High [CVE-2026-63274] heap buffer overflow in PDF import stream handling
heap buffer overflow in PDF import stream handling. Red Hat rates this moderate (CVSS 7.3). Weakness: CWE-120. Affected products named by the advisory: Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; and 1 more. Affected products named by the advisory: Red Hat package: libreoffice.
High [CVE-2026-95508] heap buffer overflow in DHCPv6/TFTP response builders on small interface MTU
heap buffer overflow in DHCPv6/TFTP response builders on small interface MTU. Red Hat rates this moderate (CVSS 7.4). Weakness: CWE-787. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; and 1 more. Affected products named by the advisory: Red Hat package: libslirp.
High [CVE-2026-95511] lpadmin can escalate to root via privileged serial backend (cups2root)
lpadmin can escalate to root via privileged serial backend (cups2root). Red Hat rates this important (CVSS 8.2). Weakness: CWE-269. Affected product named by the advisory: Red Hat Hardened Images.
Medium [CVE-2026-90462] Fail-open in LDAP ppolicy access check allows continued authorization
Fail-open in LDAP ppolicy access check allows continued authorization. Red Hat rates this moderate (CVSS 5.4). Weakness: CWE-280. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; and 3 more. Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; Red Hat package: sssd.
Medium [CVE-2026-89407] Denial of Service via regular expression backtracking
Denial of Service via regular expression backtracking. Red Hat rates this moderate (CVSS 5.9). Weakness: CWE-1333. Affected products named by the advisory: Exploit Intelligence; OpenShift Developer Tools and Services; OpenShift Serverless; Red Hat AI Inference Server; and 32 more. Affected products named by the advisory: Red Hat AMQ Broker 7; Red Hat Ansible Automation Platform 2; Red Hat build of Apache Camel 4 for Quarkus 3; Red Hat build of Apache Camel for Spring Boot 4; and 28 more.
Medium [CVE-2026-63279] Information disclosure and denial of service via out-of-bounds read in PICT image import
Information disclosure and denial of service via out-of-bounds read in PICT image import. Red Hat rates this moderate (CVSS 6.1). Weakness: CWE-125.