CVE-2026-40257

OP-TEE is a Trusted Execution Environment TEE designed as companion to a non-secure Linux kernel running on Arm; Cortex-A cores using the TrustZone technology. Starting in version 3.21.0 and prior to version 4.11.0, the ARM Crypto Extensions accelerated SHA-3 implementation has an off-by-one erro...

DEBIAN-CVE-2026-40257

OP-TEE is a Trusted Execution Environment TEE designed as companion to a non-secure Linux kernel running on Arm; Cortex-A cores using the TrustZone technology. Starting in version 3.21.0 and prior to version 4.11.0, the ARM Crypto Extensions accelerated SHA-3 implementation has an off-by-one erro...

Januscape

Januscape: Guest-to-Host Escape in KVM/x86 Abstract...

Moderate: Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: erlang27: erlang27-27.3.4.14-1.hum1 aarch64, x8664 erlang27-asn1-27.3.4.14-1.hum1 aarch64, x8664 erlang27-commontest-27.3.4.14-1.hum1 aarch64, x8664 erlang27-compiler-27.3.4.14-1.hum1 aarch64,...

Important: Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: rabbitmq-server4.2: rabbitmq-server4.2-4.2.8-1.hum1 aarch64, x8664 rabbitmq-server4.2-4.2.8-1.hum1.src src...

Important: Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: rabbitmq-server4.3: rabbitmq-server4.3-4.3.2-1.hum1 aarch64, x8664 rabbitmq-server4.3-4.3.2-1.hum1.src src...

Important: Red Hat Security Advisory: nodejs:24 security, bug fix, and enhancement update

An update for the nodejs:24 module is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

kernel: RDMA/mlx4: Fix mis-use of RCU in mlx4_srq_event()

A flaw was found in the Linux kernel's RDMA/mlx4 component. This vulnerability arises from the incorrect use of Read-Copy Update RCU in the mlx4srqevent function. An attacker could potentially trigger an event before the srq object is fully initialized, leading to a system crash. This could resul...

RHSA-2026:35863 Red Hat Security Advisory: kernel security, bug fix, and enhancement update

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RHSA-2026:35842 Red Hat Security Advisory: nodejs22 security, bug fix, and enhancement update

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RHSA-2026:35841 Red Hat Security Advisory: nodejs24 security, bug fix, and enhancement update

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PYSEC-2026-843 Matrix Sydent mishandles emails

util/emailutils.py in Matrix Sydent before 1.0.2 mishandles registration restrictions that are based on e-mail domain, if the allowedlocal3pids option is enabled. This occurs because of potentially unwanted behavior in Python, in which an email.utils.parseaddr call on...

Matrix Sydent mishandles emails

util/emailutils.py in Matrix Sydent before 1.0.2 mishandles registration restrictions that are based on e-mail domain, if the allowedlocal3pids option is enabled. This occurs because of potentially unwanted behavior in Python, in which an email.utils.parseaddr call on...

PYSEC-2026-831 OpenStack Identity Keystone Privilege Escalation vulnerability

The LDAP backend in OpenStack Identity Keystone Grizzly and Havana, when removing a role on a tenant for a user who does not have that role, adds the role to the user, which allows local users to gain privileges...

OESA-2026-2857 expat security update

expat is a stream-oriented XML parser library written in C. expat excels with files too large to fit RAM, and where performance and flexibility are crucial. Security Fixes: libexpat before 2.8.2 lacks handler call depth tracking for calls to XMLResumeParser from within handlers in cases of a poli...

OESA-2026-2844 perl security update

Perl 5 is a highly capable, feature-rich programming language with over 30 years of development. Perl 5 runs on over 100 platforms from portables to mainframes and is suitable for both rapid prototyping and large scale development projects. Security Fixes: Socket versions before 2.041 for Perl ha...

OESA-2026-2843 perl security update

Perl 5 is a highly capable, feature-rich programming language with over 30 years of development. Perl 5 runs on over 100 platforms from portables to mainframes and is suitable for both rapid prototyping and large scale development projects. Security Fixes: Socket versions before 2.041 for Perl ha...

OESA-2026-2827 ffmpeg security update

FFmpeg is a complete and free Internet live audio and video broadcasting solution for Linux/Unix. It also includes a digital VCR. It can encode in real time in many formats including MPEG1 audio and video, MPEG4, h263, ac3, asf, avi, real, mjpeg, and flash. Security Fixes: A use-after-free...

OESA-2026-2810 radvd security update

The router advertisement daemon radvd is run by Linux or BSD systems acting as IPv6 routers. It sends Router Advertisement messages, specified by RFC 2461, to a local Ethernet LAN periodically and when requested by a node sending a Router Solicitation message. These messages are required for IPv6...

undici: Undici: Information disclosure due to improper cache-control header parsing

A flaw was found in Undici. The cache interceptor in shared-cache mode incorrectly classifies certain responses as cacheable due to improper handling of whitespace-padded Cache-Control header field names. This vulnerability allows an unauthenticated attacker to access authenticated user data from...