Red Hat Linux Security Advisories & CVEs
5455 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-2026-56001] BitmapScaleBitmaps Integer Overflow Heap Buffer Overflow
BitmapScaleBitmaps Integer Overflow Heap Buffer Overflow. Red Hat rates this important (CVSS 7.3). Red Hat lists fixing advisory RHSA-2026:47079 with package libXfont2-0:2.0.3-2.el8_10.1, libXfont2-0:2.0.6-5.el10_2.1. Affected products named by the advisory: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 1.
High [CVE-2026-56002] PCF Font Parsing Heap Buffer Overflow
PCF Font Parsing Heap Buffer Overflow. Red Hat rates this important (CVSS 7.3). Weakness: CWE-787. Red Hat lists fixing advisory RHSA-2026:47079 with package libXfont2-0:2.0.3-2.el8_10.1, libXfont2-0:2.0.6-5.el10_2.1. Affected products named by the advisory: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 1.
High [CVE-2026-59691] rfbsrc/librfb Hextile heap out-of-bounds write with 16bpp framebuffer
rfbsrc/librfb Hextile heap out-of-bounds write with 16bpp framebuffer. Red Hat rates this important (CVSS 7.1). Weakness: CWE-787. Red Hat lists fixing advisory RHSA-2026:47180 with package gstreamer1-plugins-bad-free-0:1.26.7-2.el10_2.6. Affected product named by the advisory: Red Hat Enterprise Linux 1.
High [CVE-2026-59692] DTLS certificate Subject DN stack buffer overflow in openssl_verify_callback
DTLS certificate Subject DN stack buffer overflow in openssl_verify_callback. Red Hat rates this important (CVSS 7.5). Weakness: CWE-121. Red Hat lists fixing advisory RHSA-2026:47180 with package gstreamer1-plugins-bad-free-0:1.26.7-2.el10_2.6. Affected product named by the advisory: Red Hat Enterprise Linux 1.
High [CVE-2026-56003] computeProps Property Buffer Heap Buffer Overflow
A heap buffer overflow due to missing size checking in the property buffer when parsing PCF files in libXfont2 ComputeScaledProperties() before libXfont2 before 2.0.8 could be used by attackers using authenticated X clients to execute code within the X server. Red Hat severity: Important — CVSS 7.3 (CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H). Affected Red Hat products: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 9. Red Hat fixing advisory: RHSA-2026:47103.
Medium [CVE-2026-15108] Integer overflow in Extensions API
Integer overflow in Extensions API in Google Chrome prior to 150.0.7871.115 allowed an attacker who convinced a user to install a malicious extension to perform an out of bounds memory read via a crafted Chrome Extension. (Chromium security severity: High) An integer overflow flaw was found in the Extensions API component of the Chromium browser. Upstream bug(s): Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory. Red Hat severity: Important — CVSS 5.7 (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N). Weakness: CWE-125.
Medium [CVE-2026-15109] Uninitialized Use in ANGLE
Uninitialized Use in ANGLE in Google Chrome prior to 150.0.7871.115 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: High) An uninitialized use flaw was found in the ANGLE component of the Chromium browser. Upstream bug(s): Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory. Red Hat severity: Important — CVSS 6.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N). Weakness: CWE-824.
Medium [CVE-2026-54528] Information disclosure via case-sensitivity bypass in excluded path enforcement
Information disclosure via case-sensitivity bypass in excluded path enforcement. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-178.
Medium [CVE-2026-59818] Authentication bypass due to improper Certificate Revocation List enforcement on gRPC listener
Authentication bypass due to improper Certificate Revocation List enforcement on gRPC listener. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-295.
Medium [CVE-2026-15166] Denial of Service via IEEE 802.11 protocol dissector crash
Denial of Service via IEEE 802.11 protocol dissector crash. Red Hat rates this moderate (CVSS 5.7). Weakness: CWE-476.
Medium [CVE-2026-15174] Denial of Service via Catapult DCT2000 protocol dissector crash
Denial of Service via Catapult DCT2000 protocol dissector crash. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-476.
Medium [CVE-2026-15172] Denial of service via FMP/NOTIFY protocol dissector crash
Denial of service via FMP/NOTIFY protocol dissector crash. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-1286.
Medium [CVE-2026-15173] Denial of Service via pcapng file parser crash
Denial of Service via pcapng file parser crash. Red Hat rates this moderate. Weakness: CWE-825.
Medium [CVE-2026-15171] Denial of service via SSH protocol dissector crash
Denial of service via SSH protocol dissector crash. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-1286.
Medium [CVE-2026-15169] Denial of Service via UMTS FP protocol dissector crash
Denial of Service via UMTS FP protocol dissector crash. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-1286.
Medium [CVE-2026-15167] Denial of Service via DBS Etherwatch file parser crash
Denial of Service via DBS Etherwatch file parser crash. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-1286.
Medium [CVE-2026-15170] Denial of service via Z39.50 protocol dissector crash
Denial of service via Z39.50 protocol dissector crash. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-131.
Medium [CVE-2026-15165] Denial of Service via TLS ECH decryptor crash
Denial of Service via TLS ECH decryptor crash. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-617.
Medium [CVE-2026-15163] Denial of Service via multiple protocol dissector infinite loops
Denial of Service via multiple protocol dissector infinite loops. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-835.
Medium [CVE-2026-15164] Denial of Service vulnerability in ciscodump
Denial of Service vulnerability in ciscodump. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-476.