kernel: net: bridge: use a stable FDB dst snapshot in RCU readers

A flaw was found in the Linux kernel. Inconsistent handling of local Forwarding Database FDB entries in the bridge networking component's RCU Read-Copy-Update readers can lead to a null-pointer dereference. A local attacker could exploit this by triggering a concurrent update to an FDB entry,...

CVE-2026-15690 open62541 Shared Client ua_client_connect.c responseReadNamespacesArray null pointer dereference

A vulnerability was identified in open62541 up to 1.5.5. Affected by this issue is the function responseReadNamespacesArray of the file src/client/uaclientconnect.c of the component Shared Client Library. Such manipulation of the argument ServerNamespaceArray leads to null pointer dereference. Th...

CVE-2026-15690

A vulnerability was identified in open62541 up to 1.5.5. Affected by this issue is the function responseReadNamespacesArray of the file src/client/uaclientconnect.c of the component Shared Client Library. Such manipulation of the argument ServerNamespaceArray leads to null pointer dereference. Th...

EUVD-2026-43659

A vulnerability was identified in open62541 up to 1.5.5. Affected by this issue is the function responseReadNamespacesArray of the file src/client/uaclientconnect.c of the component Shared Client Library. Such manipulation of the argument ServerNamespaceArray leads to null pointer dereference. Th...

CVE-2026-15690

A vulnerability was identified in open62541 up to 1.5.5. Affected by this issue is the function responseReadNamespacesArray of the file src/client/uaclientconnect.c of the component Shared Client Library. Such manipulation of the argument ServerNamespaceArray leads to null pointer dereference. Th...

CVE-2026-15690 open62541 Shared Client ua_client_connect.c responseReadNamespacesArray null pointer dereference

A vulnerability was identified in open62541 up to 1.5.5. Affected by this issue is the function responseReadNamespacesArray of the file src/client/uaclientconnect.c of the component Shared Client Library. Such manipulation of the argument ServerNamespaceArray leads to null pointer dereference. Th...

CVE-2026-15690 open62541 Shared Client ua_client_connect.c responseReadNamespacesArray null pointer dereference

A vulnerability was identified in open62541 up to 1.5.5. Affected by this issue is the function responseReadNamespacesArray of the file src/client/uaclientconnect.c of the component Shared Client Library. Such manipulation of the argument ServerNamespaceArray leads to null pointer dereference. Th...

CVE-2026-15690

open62541 vulnerable to a null pointer dereference in the Shared Client Library. Affected: up to 1.5.5; vulnerable function: responseReadNamespacesArray in src/client/ua_client_connect.c, with manipulation of Server_NamespaceArray leading to a NPD. Exploitation can be remote and is described as d...

kernel: net: bridge: use a stable FDB dst snapshot in RCU readers

A flaw was found in the Linux kernel. Inconsistent handling of local Forwarding Database FDB entries in the bridge networking component's RCU Read-Copy-Update readers can lead to a null-pointer dereference. A local attacker could exploit this by triggering a concurrent update to an FDB entry,...

kernel: futex/requeue: Prevent NULL pointer dereference in remove_waiter() on self-deadlock

A flaw was found in the Linux kernel's futex Fast Userspace Mutex requeue mechanism. When a non-top waiter attempts to requeue a Priority Inheritance PI futex it already owns, a NULL pointer dereference can occur. This issue, specifically within the removewaiter function during a self-deadlock...

openssl security update

An update is available for openssl. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list OpenSSL is a toolkit that implements the Secure Sockets Layer SSL and Transpo...

RLSA-2026:38503 Moderate: openssl security update

OpenSSL is a toolkit that implements the Secure Sockets Layer SSL and Transport Layer Security TLS protocols, as well as a full-strength general-purpose cryptography library. Security Fixes: openssl: OpenSSL: Denial of Service due to NULL pointer dereference in CMS EnvelopedData processing...

kernel: futex/requeue: Prevent NULL pointer dereference in remove_waiter() on self-deadlock

A flaw was found in the Linux kernel's futex Fast Userspace Mutex requeue mechanism. When a non-top waiter attempts to requeue a Priority Inheritance PI futex it already owns, a NULL pointer dereference can occur. This issue, specifically within the removewaiter function during a self-deadlock...

MGASA-2026-0250 Updated haproxy packages fix security vulnerability

HAProxy through 3.4.0, fixed in commit 5985276, contains an integer overflow vulnerability in the fcgiconn structure's drl field that allows buffer misparse as new FCGI record headers. When contentLength is 65535 and paddingLength is 1 or more, the drl field wraps to 0, causing incorrect record...

EUVD-2026-43573

Crypt::OpenSSL::X509 versions before 2.1.3 for Perl allow denial of service via NULL pointer dereference. X509V3EXTd2iext returns NULL when an extension's DER value fails to parse. basicC, ia5string, and authatt dereference its result without a NULL check. keyiddata also dereferences akid-keyid,...

PT-2026-58348

Name of the Vulnerable Software and Affected Versions Active Directory Domain Services affected versions not specified Description A null pointer dereference—a condition where a program attempts to read a memory location that is null—exists in Active Directory Domain Services. This allows an...

PT-2026-58268

Name of the Vulnerable Software and Affected Versions Active Directory Domain Services affected versions not specified Description A null pointer dereference in Active Directory Domain Services allows an authorized attacker to cause a denial of service over a network. A null pointer dereference...

CVE-2025-56363

The Matter SDK (connectedhomeip) has a null pointer dereference in ReadRevisionAttribute across multiple clusters (Channel, Account Login, TargetNavigator, etc.) due to missing validation of the delegate pointer. This affects versions prior to 1.4.0 and can be exploited by a remote unauthenticate...

EulerOS 2.0 SP10 : httpd (EulerOS-SA-2026-2653)

According to the versions of the httpd packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : Allocation of Resources Without Limits or Throttling vulnerability in Apache HTTP Server's modmd via OCSP response data. This issue affects Apache...

CVE-2025-56363

A null pointer dereference vulnerability exists in the Matter SDK connectedhomeip before 1.4.0, affecting the ReadRevisionAttribute function used in multiple clusters Channel, Account Login, TargetNavigator, etc.. The function lacks proper validation of the delegate pointer before dereferencing. ...