CVE-2026-23948 FreeRDP has a NULL Pointer Dereference in rdp_write_logon_info_v2()

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, a NULL pointer dereference vulnerability in rdpwritelogoninfov2 allows a malicious RDP server to crash FreeRDP proxy by sending a specially crafted LogonInfoV2 PDU with cbDomain=0 or cbUserName=0. This vulnerability...

kernel: nvme-tcp: fix NULL pointer dereferences in nvmet_tcp_build_pdu_iovec

In the Linux kernel, the following vulnerability has been resolved: nvme-tcp: fix NULL pointer dereferences in nvmettcpbuildpduiovec Commit efa56305908b "nvmet-tcp: Fix a kernel panic when host sends an invalid H2C PDU length" added ttag bounds checking and dataoffset validation in...

kernel: NFSv4/pNFS: Clear NFS_INO_LAYOUTCOMMIT in pnfs_mark_layout_stateid_invalid

A flaw null pointer dereference in the Linux kernel NFS functionality was found in the way client does some specific action for existing NFS connection. A client user could use this flaw to crash the server system...

kernel: Bluetooth: ISO: Fix possible UAF on iso_conn_free

A vulnerability was found in isosockkill in net/bluetooth/iso.c in Bluetooth protocol stack in the Linux Kernel. In this flaw if the conn-sk is not set to NULL may lead to UAF on isoconnfree...

GnuTLS 安全漏洞

GnuTLS is an open-source, free security communication library developed by GnuTLS that enables the implementation of SSL, TLS, and DTLS protocols. There is a security vulnerability in gnutls. This vulnerability stems from the possibility of remote, unverified attackers sending specially crafted...

VulnCheck KEV: CVE-2009-2908

The ddelete function in fs/ecryptfs/inode.c in eCryptfs in the Linux kernel 2.6.31 allows local users to cause a denial of service kernel OOPS and possibly execute arbitrary code via unspecified vectors that cause a "negative dentry" and trigger a NULL pointer dereference, as demonstrated via a...

FreeRDP 代码问题漏洞

FreeRDP is an open-source RDP protocol implementation developed by the FreeRDP team. Versions of FreeRDP prior to 3.22.0 had code vulnerabilities. These vulnerabilities stemmed from a null pointer dereferencing in the rdpwritelogoninfov2 function, which could allow malicious RDP servers to cause...

CVE-2026-2062

A vulnerability was identified in Open5GS up to 2.7.6. This affects the function sgwcs5chandlemodifybearerresponse/sgwcsxahandlesessionmodificationresponse of the component PGW S5U Address Handler. The manipulation leads to null pointer dereference. The attack can be initiated remotely. The explo...

CVE-2026-1990

A security vulnerability has been detected in oatpp up to 1.3.1. This impacts the function oatpp::data::type::ObjectWrapper::ObjectWrapper of the file src/oatpp/data/type/Type.hpp. The manipulation leads to null pointer dereference. Local access is required to approach this attack. The exploit ha...

CVE-2026-1973

A vulnerability was determined in Free5GC up to 4.1.0. The impacted element is the function establishPfcpSession of the component SMF. Executing a manipulation can lead to null pointer dereference. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. I...

CVE-2026-1976

A weakness has been identified in Free5GC up to 4.1.0. Affected is the function SessionDeletionResponse of the component SMF. This manipulation causes null pointer dereference. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used f...

CVE-2026-1975

A security flaw has been discovered in Free5GC up to 4.1.0. This impacts the function identityTriggerType of the file pfcpreports.go. The manipulation results in null pointer dereference. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks...

CVE-2026-2062

A vulnerability was identified in Open5GS up to 2.7.6. This affects the function sgwcs5chandlemodifybearerresponse/sgwcsxahandlesessionmodificationresponse of the component PGW S5U Address Handler. The manipulation leads to null pointer dereference. The attack can be initiated remotely. The explo...

CVE-2026-2062

A vulnerability was identified in Open5GS up to 2.7.6. This affects the function sgwcs5chandlemodifybearerresponse/sgwcsxahandlesessionmodificationresponse of the component PGW S5U Address Handler. The manipulation leads to null pointer dereference. The attack can be initiated remotely. The explo...

EUVD-2026-5621

A vulnerability was identified in Open5GS up to 2.7.6. This affects the function sgwcs5chandlemodifybearerresponse/sgwcsxahandlesessionmodificationresponse of the component PGW S5U Address Handler. The manipulation leads to null pointer dereference. The attack can be initiated remotely. The explo...

CVE-2026-2062

A vulnerability was identified in Open5GS up to 2.7.6. This affects the function sgwcs5chandlemodifybearerresponse/sgwcsxahandlesessionmodificationresponse of the component PGW S5U Address Handler. The manipulation leads to null pointer dereference. The attack can be initiated remotely. The explo...

CVE-2026-2062 Open5GS PGW S5U Address sgwc_sxa_handle_session_modification_response null pointer dereference

A vulnerability was identified in Open5GS up to 2.7.6. This affects the function sgwcs5chandlemodifybearerresponse/sgwcsxahandlesessionmodificationresponse of the component PGW S5U Address Handler. The manipulation leads to null pointer dereference. The attack can be initiated remotely. The explo...

CVE-2026-2062 Open5GS PGW S5U Address sgwc_sxa_handle_session_modification_response null pointer dereference

A vulnerability was identified in Open5GS up to 2.7.6. This affects the function sgwcs5chandlemodifybearerresponse/sgwcsxahandlesessionmodificationresponse of the component PGW S5U Address Handler. The manipulation leads to null pointer dereference. The attack can be initiated remotely. The explo...

CVE-2026-2062

Open5GS up to 2.7.6 is affected by CVE-2026-2062 in the PGW S5U Address Handler, specifically the sgwc_s5c_handle_modify_bearer_response and sgwc_sxa_handle_session_modification_response functions. The issue is a null pointer dereference that can be triggered remotely. Public exploit details exis...

CLSA-2026-1770395482 Fix CVE(s): CVE-2026-24515

SECURITY UPDATE: XMLExternalEntityParserCreate does not copy unknown encoding handler user data - debian/patches/CVE-2026-24515.patch: Fix a null pointer dereference in the XML parser caused by the failure to copy user data for unknown encoding handlers - CVE-2026-24515...