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Advisories the vendor has revised
Denial of Service via crafted WebTransport session ID. Red Hat rates this important (CVSS 7.5). Weakness: CWE-843. Affected products named by the advisory: Red Hat Enterprise Linux AI (RHEL AI) 3; Red Hat Hardened Images.
Denial of Service via malformed tar archive header. Red Hat rates this important (CVSS 7.5). Weakness: CWE-606. Affected products named by the advisory: Confidential Compute Attestation; Cryostat 4; Exploit Intelligence; Migration Toolkit for Containers; and 28 more.
Denial of Service via crafted gzip bomb. Red Hat rates this important (CVSS 7.5). Weakness: CWE-770. Affected products named by the advisory: Confidential Compute Attestation; Cryostat 4; Exploit Intelligence; Migration Toolkit for Containers; and 28 more.
Denial of Service via quadratic CPU time parsing with merge keys. Red Hat rates this important (CVSS 7.5). Weakness: CWE-1333. Red Hat lists fixing advisory RHSA-2026:34975 with package nodejs20-main-20.20.2-1.hum1, rust-main-1.96.1-1.hum1. Affected products named by the advisory: Red Hat Hardened Images; Cryostat 4; Gatekeeper 3; Migration Toolkit for Applications 8; and 48 more.
Denial of Service via crafted YAML ordered-map document. Red Hat rates this important (CVSS 7.5). Weakness: CWE-770. Red Hat lists fixing advisory RHSA-2026:34975 with package nodejs20-main-20.20.2-1.hum1, rust-main-1.96.1-1.hum1. Affected products named by the advisory: Cryostat 4; Gatekeeper 3; Migration Toolkit for Applications 8; Migration Toolkit for Containers; and 48 more.
Prevent rehoming resources to nodes with different owner. Red Hat rates this important (CVSS 8.7). Weakness: CWE-1220. Affected products named by the advisory: Red Hat Enterprise Linux; Red Hat OpenShift Container Platform 4; Red Hat OpenStack Platform 16.2; Red Hat OpenStack Platform 17.1; and 1 more.
Use-after-free vulnerability during host key re-exchange on the client side. Red Hat rates this important (CVSS 7.7). Weakness: CWE-825. Red Hat lists fixing advisory RHSA-2026:37382 with package openssh-main-10.4p1-1.hum1. 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.
glamor Font Atlas Heap Buffer Overflow. Red Hat rates this important (CVSS 7.5). Weakness: CWE-805. Red Hat lists fixing advisory RHSA-2026:38486 with package xorg-x11-server-0:1.20.11-34.el9_8.3, xorg-x11-server-Xwayland-0:21.1.3-20.el8_10.3, xorg-x11-server-Xwayland-0:24.1.9-4.el9_8.3, xorg-x11-server-0:1.20.11-28.el8_10.3. Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 1. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7.
BitmapScaleBitmaps Integer Overflow Heap Buffer Overflow. Red Hat rates this important (CVSS 7.3). 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.
PCF Font Parsing Heap Buffer Overflow. Red Hat rates this important (CVSS 7.3). Weakness: CWE-787. Affected product named by the advisory: Red Hat Enterprise Linux.
rfbsrc/librfb Hextile heap out-of-bounds write with 16bpp framebuffer. Red Hat rates this important (CVSS 7.1). 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 1 more.
DTLS certificate Subject DN stack buffer overflow in openssl_verify_callback. Red Hat rates this important (CVSS 7.5). Weakness: CWE-121. 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 1 more.
Denial of Service via unbounded recursion in Markdown include directive. Red Hat rates this moderate (CVSS 5.3). Weakness: CWE-835. Affected product named by the advisory: Red Hat Enterprise Linux.
Brute-force attacks facilitated due to insufficient authentication delay. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-307. Red Hat lists fixing advisory RHSA-2026:37382 with package openssh-main-10.4p1-1.hum1. Affected products named by the advisory: Red Hat Enterprise Linux; Red Hat Hardened Images.
Denial of Service via excessive GSSAPI authentication attempts. Red Hat rates this moderate (CVSS 5.9). Weakness: CWE-307. Red Hat lists fixing advisory RHSA-2026:37382 with package openssh-main-10.4p1-1.hum1. Affected products named by the advisory: Red Hat Enterprise Linux; Red Hat Hardened Images.
OpenSSH sshd: Security bypass due to incorrect handling of forwarding and tunneling options. Red Hat rates this moderate (CVSS 5.9). Weakness: CWE-358. Red Hat lists fixing advisory RHSA-2026:37382 with package openssh-main-10.4p1-1.hum1. Affected products named by the advisory: Red Hat Enterprise Linux; Red Hat Hardened Images.
Undocumented GSSAPIStrictAcceptorCheck behavior impacts security in Windows Active Directory. Red Hat rates this moderate (CVSS 4.8). Weakness: CWE-909. Red Hat lists fixing advisory RHSA-2026:37382 with package openssh-main-10.4p1-1.hum1. Affected products named by the advisory: Red Hat Enterprise Linux; Red Hat Hardened Images.
SFTP security bypass due to command-line argument parsing flaw. Red Hat rates this moderate (CVSS 5.4). Weakness: CWE-88. Red Hat lists fixing advisory RHSA-2026:37382 with package openssh-main-10.4p1-1.hum1. Affected products named by the advisory: Red Hat Enterprise Linux; Red Hat Hardened Images.
sftp client allows attacker to control downloaded file location. Red Hat rates this moderate (CVSS 5.4). Weakness: CWE-22. Red Hat lists fixing advisory RHSA-2026:37382 with package openssh-main-10.4p1-1.hum1. Affected products named by the advisory: Red Hat Enterprise Linux; Red Hat Hardened Images.
GLX contextTags Use-After-Free in CommonMakeCurrent(). Red Hat rates this important (CVSS 6.5). Weakness: CWE-825. Red Hat lists fixing advisory RHSA-2026:38490 with package xorg-x11-server-Xwayland-0:24.1.9-4.el9_8.3, xorg-x11-server-Xwayland-0:24.1.9-4.el10_2.3. Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 1. 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.