Red Hat Linux Security Advisories & CVEs
5198 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 Linux 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 Linux advisories
High [CVE-2026-44216] Denial of Service via large WebAssembly table allocation
Denial of Service via large WebAssembly table allocation. Red Hat rates this important (CVSS 7.5). 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 Hardened Images.
High [CVE-2026-6478] Credential recovery via covert timing channel in MD5 password comparison
Credential recovery via covert timing channel in MD5 password comparison. Red Hat rates this important (CVSS 8.2). Weakness: CWE-385. Affected package(s): postgresql, postgresql:12, postgresql:18, postgresql:15, libpq, postgresql:13. Resolved in Red Hat advisory RHSA-2026:26561 — 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 9 more.
High [CVE-2026-6477] PostgreSQL libpq: Buffer overflow allows server superuser to overwrite client stack memory
PostgreSQL libpq: Buffer overflow allows server superuser to overwrite client stack memory. Red Hat rates this important (CVSS 8.4). Weakness: CWE-120. Affected package(s): postgresql, postgresql:12, postgresql:18, postgresql:15, libpq, postgresql16. Resolved in Red Hat advisory RHSA-2026:26561 — 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 9 more.
High [CVE-2026-6473] integer overflow can cause an undersized allocation and an out-of-bounds write
integer overflow can cause an undersized allocation and an out-of-bounds write. Red Hat rates this important (CVSS 8.8). Weakness: CWE-190. Affected package(s): postgresql, postgresql:12, postgresql:18, postgresql:15, libpq, postgresql16. Resolved in Red Hat advisory RHSA-2026:26561 — 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 10 more.
Medium [CVE-2026-8556] Inappropriate implementation in ANGLE
Inappropriate implementation in ANGLE. Red Hat rates this important (CVSS 6.8). Weakness: CWE-346. 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-2026-8550] Use after free in Google Lens
Use after free in Google Lens. Red Hat rates this important (CVSS 6.5). 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.
Medium [CVE-2026-8545] Object corruption in Compositing
Object corruption in Compositing. Red Hat rates this important (CVSS 6.8). Weakness: CWE-386. 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-2026-8541] Out of bounds read in UI
Out of bounds read in UI. Red Hat rates this important (CVSS 6.8). Weakness: CWE-125. 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-2026-8543] Out of bounds read in FileSystem
Out of bounds read in FileSystem. Red Hat rates this important (CVSS 6.5). Weakness: CWE-125. 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-2026-8538] Insufficient validation of untrusted input in GPU
Insufficient validation of untrusted input in GPU. Red Hat rates this important (CVSS 5.9). Weakness: CWE-1173. 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-2026-8535] Out of bounds read in Media
Out of bounds read in Media. Red Hat rates this important (CVSS 4.4). Weakness: CWE-125. 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-2026-8516] Insufficient validation of untrusted input in DataTransfer
Insufficient validation of untrusted input in DataTransfer. Red Hat rates this critical (CVSS 6.5). Weakness: CWE-1286. 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-2026-6575] Information disclosure via buffer over-read in pg_restore_attribute_stats()
Information disclosure via buffer over-read in pg_restore_attribute_stats(). Red Hat rates this moderate (CVSS 4.3). Weakness: CWE-805. Affected package(s): postgresql17-main, postgresql18-main. Resolved in Red Hat advisory RHSA-2026:22878 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
Medium [CVE-2026-6475] Operating system account hijack via symlink following in pg_basebackup and pg_rewind
Operating system account hijack via symlink following in pg_basebackup and pg_rewind. Red Hat rates this moderate (CVSS 6.7). Weakness: CWE-59. Affected package(s): postgresql, postgresql:12, postgresql:18, postgresql:15, libpq, postgresql16. Resolved in Red Hat advisory RHSA-2026:26561 — 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 1.
Medium [CVE-2026-6474] Information disclosure via externally-controlled format string in timeofday() function
Information disclosure via externally-controlled format string in timeofday() function. Red Hat rates this moderate (CVSS 4.3). Weakness: CWE-134. Affected package(s): postgresql18-main. Resolved in Red Hat advisory RHSA-2026:22878 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
Medium [CVE-2026-6472] PostgreSQL CREATE TYPE does not check multirange schema CREATE privilege
PostgreSQL CREATE TYPE does not check multirange schema CREATE privilege. Red Hat rates this moderate (CVSS 5.4). Weakness: CWE-862. Affected package(s): postgresql17-main, postgresql18-main. Resolved in Red Hat advisory RHSA-2026:22878 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
Critical [CVE-2026-44005] Sandbox Escape leading to Arbitrary Code Execution
Sandbox Escape leading to Arbitrary Code Execution. Red Hat rates this important (CVSS 9.8). Weakness: CWE-653. 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-2026-45411] Arbitrary Code Execution due to sandbox escape vulnerability
Arbitrary Code Execution due to sandbox escape vulnerability. Red Hat rates this important (CVSS 9.8). Weakness: CWE-237. 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-2026-44009] Arbitrary Code Execution via Sandbox Escape
Arbitrary Code Execution via Sandbox Escape. Red Hat rates this important (CVSS 9.8). Weakness: CWE-653. 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-2026-44008] Arbitrary code execution due to sandbox escape
Arbitrary code execution due to sandbox escape. Red Hat rates this important (CVSS 9.8). Weakness: CWE-1100. 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.