Red Hat Linux Security Advisories & CVEs
3200 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
Medium [CVE-2026-50251] Denial of Service via crafted DNS glue records
Denial of Service via crafted DNS glue records. Red Hat rates this moderate (CVSS 5.3). Weakness: CWE-835. Red Hat lists fixing advisory RHSA-2026:43588 with package unbound-main-1.25.2-0.1.hum1.
Medium [CVE-2026-50045] Denial of Service via DNSSEC query amplification bypass
Denial of Service via DNSSEC query amplification bypass. Red Hat rates this moderate (CVSS 5.3). Weakness: CWE-406. Red Hat lists fixing advisory RHSA-2026:43588 with package unbound-main-1.25.2-0.1.hum1.
Medium [CVE-2026-14586] Denial of Service via assertion failure in DNS-over-QUIC environments
Denial of Service via assertion failure in DNS-over-QUIC environments. Red Hat rates this moderate (CVSS 5.9). Weakness: CWE-617. Red Hat lists fixing advisory RHSA-2026:43588 with package unbound-main-1.25.2-0.1.hum1.
Medium [CVE-2026-16560] heap-buffer-overflow in rdn_av_swap on quoted multivalued RDN
heap-buffer-overflow in rdn_av_swap on quoted multivalued RDN. Red Hat rates this moderate (CVSS 5.3). Weakness: CWE-1220.
Medium [CVE-2026-44192] Remote Code Execution and Data Exfiltration via Path Traversal
Remote Code Execution and Data Exfiltration via Path Traversal. Red Hat rates this moderate (CVSS 6.6). Weakness: CWE-22.
Medium [CVE-2026-65602] Information disclosure and integrity bypass via IngressRouteTCP cross-provider reference
Information disclosure and integrity bypass via IngressRouteTCP cross-provider reference. Red Hat rates this moderate (CVSS 6.4). Weakness: CWE-863.
Medium [CVE-2020-10698 +1] websocket EventConsumer missing authorization for inventory_update_events, project_update_events, and system_job_events allows cross-organization stdout disclosure
websocket EventConsumer missing authorization for inventory_update_events, project_update_events, and system_job_events allows cross-organization stdout disclosure. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-862.
Medium [CVE-2026-16473] heap out-of-bounds read via crafted sbc audio frame
A flaw was found in the sbc library (BlueZ SBC codec). An off-by-one error in the SBC frame decoder allows a crafted audio payload to trigger a one-byte heap out-of-bounds read. This could allow an adjacent attacker streaming Bluetooth audio to read a single byte of adjacent heap memory. Red Hat severity: Moderate — CVSS 4.3 (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N). Weakness: CWE-125. Affected Red Hat products: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9. Red Hat does not currently list a fixing RHSA for this CVE.
Medium [CVE-2026-10723] Incorrect acceptance of NSEC3 records
Incorrect acceptance of NSEC3 records. Red Hat rates this moderate (CVSS 6.8). Weakness: CWE-345. Red Hat lists fixing advisory RHSA-2026:54071 with package bind-main-9.20.26-0.1.hum1.
Medium [CVE-2026-10822] Key Record using PRIVATEDNS algorithm may lead to exit
Key Record using PRIVATEDNS algorithm may lead to exit. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-617. Red Hat lists fixing advisory RHSA-2026:54071 with package bind-main-9.20.26-0.1.hum1.
Medium [CVE-2026-16566] jenkins_credential module returns generated API token in plaintext output
jenkins_credential module returns generated API token in plaintext output. Red Hat rates this moderate (CVSS 6.1).
Medium [CVE-2026-47143] Denial of Service vulnerability via crafted input
Denial of Service vulnerability via crafted input. Red Hat rates this moderate (CVSS 5.9). Weakness: CWE-476. Red Hat lists fixing advisory RHSA-2026:43841 with package capstone-main-5.0.8-0.1.hum1.
Medium [CVE-2026-46917] Improve DTLS handshaking (Oracle CPU 2026-07)
Improve DTLS handshaking (Oracle CPU 2026-07). Red Hat rates this moderate (CVSS 5.3). Weakness: CWE-400. Red Hat lists fixing advisory RHSA-2026:50281 with package java-21-openjdk-1:21.0.12.0.8-1.1.el8, java-25-openjdk-main-25.0.4.0.7-1.1.1.hum1, java-21-openjdk-1:21.0.12.0.8-1.1.el9, java-25-openjdk-windows. Affected products named by the advisory: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 7.
Medium [CVE-2026-47021] Enhance XBM image support (Oracle CPU 2026-07)
Enhance XBM image support (Oracle CPU 2026-07). Red Hat rates this moderate (CVSS 5.3). Weakness: CWE-1333. Red Hat lists fixing advisory RHSA-2026:50281 with package java-21-openjdk-1:21.0.12.0.8-1.1.el8, java-25-openjdk-main-25.0.4.0.7-1.1.1.hum1, java-21-openjdk-1:21.0.12.0.8-1.1.el9, java-25-openjdk-windows. Affected products named by the advisory: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 7.
Medium [CVE-2026-47027] Enhance Jar file processing (Oracle CPU 2026-07)
Enhance Jar file processing (Oracle CPU 2026-07). Red Hat rates this moderate (CVSS 5.3). Weakness: CWE-400. Red Hat lists fixing advisory RHSA-2026:50281 with package java-21-openjdk-1:21.0.12.0.8-1.1.el8, java-25-openjdk-main-25.0.4.0.7-1.1.1.hum1, java-21-openjdk-1:21.0.12.0.8-1.1.el9, java-25-openjdk-windows. Affected products named by the advisory: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 7.
Medium [CVE-2026-60147] Improve certification checking (Oracle CPU 2026-07)
Improve certification checking (Oracle CPU 2026-07). Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-295. Red Hat lists fixing advisory RHSA-2026:50281 with package java-21-openjdk-1:21.0.12.0.8-1.1.el8, java-25-openjdk-main-25.0.4.0.7-1.1.1.hum1, java-21-openjdk-1:21.0.12.0.8-1.1.el9, java-25-openjdk-windows. Affected products named by the advisory: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 7.
Medium [CVE-2026-12548] heap out-of-bounds read in libsoup due to integer truncation
A heap out-of-bounds read flaw was found in libsoup. When parsing multipart HTTP messages, an integer type mismatch between the caller and soup_headers_parse() can cause the length parameter to be incorrectly truncated, leading to a heap buffer over-read. A remote attacker could use this flaw to crash an application using libsoup or potentially disclose heap memory contents. Red Hat severity: Moderate — CVSS 4.2 (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:L). Weakness: CWE-125. Affected Red Hat products: Red Hat Enterprise Linux 10. Red Hat does not currently list a fixing RHSA for this CVE.
Medium [CVE-2026-16441] Incorrect method delegation can lead to integrity issues
Incorrect method delegation can lead to integrity issues. Red Hat rates this moderate (CVSS 5.4). Weakness: CWE-843. Red Hat lists fixing advisory RHSA-2026:52949 with package java-1.8.0-ibm-1:1.8.0.8.70-1.el8_10, java-21-ibm-semeru-certified-jdk-1:21.0.12.0.8-2.el10_2, java-21-ibm-semeru-certified-jdk-1:21.0.12.0.8-1.el10_0. Affected products named by the advisory: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 10.
Medium [CVE-2026-16243] Denial of service via improper input validation in arraycmp SIMD
Denial of service via improper input validation in arraycmp SIMD. Red Hat rates this moderate (CVSS 4.8). Weakness: CWE-1284. Red Hat lists fixing advisory RHSA-2026:52949 with package java-1.8.0-ibm-1:1.8.0.8.70-1.el8_10, java-21-ibm-semeru-certified-jdk-1:21.0.12.0.8-2.el10_2, java-21-ibm-semeru-certified-jdk-1:21.0.12.0.8-1.el10_0. Affected products named by the advisory: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 10.
Medium [CVE-2026-16439] Buffer underflow via tracing method arguments
Buffer underflow via tracing method arguments. Red Hat rates this moderate (CVSS 6.4). Weakness: CWE-124. Red Hat lists fixing advisory RHSA-2026:52949 with package java-1.8.0-ibm-1:1.8.0.8.70-1.el8_10, java-21-ibm-semeru-certified-jdk-1:21.0.12.0.8-2.el10_2, java-21-ibm-semeru-certified-jdk-1:21.0.12.0.8-1.el10_0. Affected products named by the advisory: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 10.