CVE-2026-45537 OpenSIPS: Global Buffer Overflow in construct_uri

OpenSIPS is a Session Initiation Protocol SIP server implementation. In versions prior to 3.6.6 and 4.0.0-rc1, the constructuri function concatenates multiple URI components protocol, username, domain, port, params into a fixed 1024-byte global BSS buffer without any bounds checking. When a routi...

CVE-2025-40183 bpf: Fix metadata_dst leak __bpf_redirect_neigh_v{4,6}

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix metadatadst leak bpfredirectneighv4,6 Cilium has a BPF egress gateway feature which forces outgoing K8s Pod traffic to pass through dedicated egress gateways which then SNAT the traffic in order to interact with stable I...

Null pointer dereference

The pppol2tpxmit function in drivers/net/pppol2tp.c in the L2TP implementation in the Linux kernel before 2.6.34 does not properly validate certain values associated with an interface, which allows attackers to cause a denial of service NULL pointer dereference and OOPS or possibly have unspecifi...

CVE-2010-2495

The pppol2tpxmit function in drivers/net/pppol2tp.c in the L2TP implementation in the Linux kernel before 2.6.34 does not properly validate certain values associated with an interface, which allows attackers to cause a denial of service NULL pointer dereference and OOPS or possibly have unspecifi...

CVE-2010-2495

CVE-2010-2495 affects the Linux kernel’s L2TP implementation (pppol2tp.c). The vulnerability arises from improper validation of certain interface-related values in pppol2tp_xmit, enabling a NULL pointer dereference and an OOPs that can cause a denial of service via routing-change vectors. The iss...

CVE-2010-2495: NULL Pointer Dereference

The pppol2tpxmit function in drivers/net/pppol2tp.c in the L2TP implementation in the Linux kernel before 2.6.34 does not properly validate certain values associated with an interface, which allows attackers to cause a denial of service NULL pointer dereference and OOPS or possibly have unspecifi...