Windows Kernel Elevation of Privilege Vulnerability

Null pointer dereference in Windows Kernel allows an authorized attacker to elevate privileges locally...

Windows Active Directory Domain Services Denial of Service Vulnerability

Null pointer dereference in Active Directory Domain Services allows an authorized attacker to deny service over a network...

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...

UBUNTU-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

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,...

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-2026-58312

Name of the Vulnerable Software and Affected Versions Windows Image Acquisition affected versions not specified Description A null pointer dereference in Windows Image Acquisition allows an authorized attacker to elevate privileges locally. A null pointer dereference occurs when a program attempt...

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-2026-58008

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

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. ...

DEBIAN-CVE-2026-58101

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,...

CVE-2026-58101

CVE-2026-58101 affects Crypt::OpenSSL::X509 before 2.1.3 for Perl. The issue arises when X509V3_EXT_d2i(ext) returns NULL if an extension fails to parse, yet basicC, ia5string, and auth_att dereference the result without a NULL check, and keyid_data dereferences akid->keyid even when the AKI s...

OPENSUSE-SU-2026:21332-1 Security update for patch

This update for patch fixes the following issues - CVE-2026-56288: crafted unified-diff patch file can cause null pointer derefence bsc1271167. - CVE-2026-56289: improper validation of hunk line offsets can lead to denial of service bsc1271166...

SUSE-SU-2026:2922-1 Security update for patch

This update for patch fixes the following issues - CVE-2021-45261: Invalid Pointer via anotherhunk function bsc1194037. - CVE-2026-56288: crafted unified-diff patch file can cause null pointer derefence bsc1271167. - CVE-2026-56289: improper validation of hunk line offsets can lead to denial of...

openssl: OpenSSL: Denial of Service due to NULL pointer dereference in CMS EnvelopedData processing

A flaw was found in OpenSSL. A remote attacker could exploit this vulnerability by sending a specially crafted Cryptographic Message Syntax CMS EnvelopedData message. During the processing of a KeyTransportRecipientInfo with RSA-OAEP encryption, the system attempts to access an optional parameter...

openssl: OpenSSL: Denial of Service due to NULL pointer dereference in CMS EnvelopedData processing

A flaw was found in OpenSSL. A remote attacker could exploit this vulnerability by sending a specially crafted Cryptographic Message Syntax CMS EnvelopedData message. During the processing of a KeyTransportRecipientInfo with RSA-OAEP encryption, the system attempts to access an optional parameter...