CVE-2026-67867

Buffer Overflow vulnerability in Systerel S2OPC 1.7.3 allows a remote attacker to cause a denial of service via the Alarm/Conditions wrapper when processing PublishResponse EventNotificationList data...

CVE-2026-67863

CVE-2026-67863 affects open62541 1.5.5, where a server-side use-after-free occurs in the local MonitoredItem callback path. The issue arises when UA_Subscription_localPublish continues to use the current UA_Notification after a callback invokes UA_Server_deleteMonitoredItem for the current local ...

EUVD-2026-53010

OpenSIPS is a Session Initiation Protocol SIP server implementation. Versions prior to 3.6.6 and 4.0.0-rc1 contain a denial of service vulnerability in the SDP bandwidth-line parsing logic. A SIP request with Content-Type: application/sdp and a malformed session-level SDP bandwidth line missing t...

CVE-2026-46334 OpenSIPS: Denial of Service in SDP bandwidth parsing via QoS SDP cloning

OpenSIPS is a Session Initiation Protocol SIP server implementation. Versions prior to 3.6.6 and 4.0.0-rc1 contain a denial of service vulnerability in the SDP bandwidth-line parsing logic. A SIP request with Content-Type: application/sdp and a malformed session-level SDP bandwidth line missing t...

CVE-2026-46334 OpenSIPS: Denial of Service in SDP bandwidth parsing via QoS SDP cloning

OpenSIPS is a Session Initiation Protocol SIP server implementation. Versions prior to 3.6.6 and 4.0.0-rc1 contain a denial of service vulnerability in the SDP bandwidth-line parsing logic. A SIP request with Content-Type: application/sdp and a malformed session-level SDP bandwidth line missing t...

CVE-2026-46334

Technical details for CVE-2026-46334 are not provided in the supplied documents; only high-level info and fixes are available. Monitor for updates in the connected sources.

CVE-2026-45809

OpenSIPS denial-of-service in watcherinfo XML generation (CVE-2026-45809). Affected: OpenSIPS before 3.6.6 and 4.0.0-rc1. Root cause: copying the stored watcher URI into a fixed-size stack buffer during presence.winfo watcherinfo XML generation when an oversized watcher entry is created by a long...

EUVD-2026-53002

OpenSIPS is a Session Initiation Protocol SIP server implementation. Versions prior to 3.6.6 and 4.0.0-rc1 contain a denial of service vulnerability in the watcherinfo generation functionality. An attacker can create an oversized watcher entry by sending a SUBSCRIBE Event: presence request with a...

CVE-2026-45809 OpenSIPS: Denial of Service in watcherinfo XML generation from oversized watcher URI

OpenSIPS is a Session Initiation Protocol SIP server implementation. Versions prior to 3.6.6 and 4.0.0-rc1 contain a denial of service vulnerability in the watcherinfo generation functionality. An attacker can create an oversized watcher entry by sending a SUBSCRIBE Event: presence request with a...

CVE-2026-67862

A flaw was found in open62541. A buffer-overflow vulnerability exists in the high-level attribute reading logic. This flaw allows a remote attacker to trigger a denial of service, making the affected system unavailable...

CVE-2026-67859

A flaw was found in open62541. A remote attacker can exploit a buffer overflow vulnerability in the Discovery/LDS Local Discovery Server handling. This can lead to a denial of service, making the affected system unavailable...

CVE-2026-18103

A flaw was found in dhcp-server. A remote attacker with network access to the OMAPI Open Management Application Programming Interface port, especially if not secured with TSIG Transaction Signature key authentication, could send a specially crafted lease creation request. This request, containing...

CVE-2026-18103 Dhcp-server: dhcp-server: persistent denial of service due to buffer overflow via omapi

A flaw was found in dhcp-server. A remote attacker with network access to the OMAPI Open Management Application Programming Interface port, especially if not secured with TSIG Transaction Signature key authentication, could send a specially crafted lease creation request. This request, containing...

CVE-2026-18103

The CVE-2026-18103 entry concerns the dhcp-server component, where an attacker with network access to the OMAPI port (potentially without TSIG authentication) can craft a lease creation request containing an overly long InfiniBand MAC address. This input triggers a buffer overflow in print_hw_add...

CVE-2026-67862

open62541 1.5.5 contains a buffer-overflow in the high-level attribute reading logic in src/client/uaclienthighlevel.c. This allows a remote attacker to cause a denial of service...

CVE-2026-67859

Buffer Overflow vulnerability in open62541 v1.5.5 allows a remote attacker to cause a denial of service via the Discovery/LDS handling...

CVE-2026-67861

An issue in open62541 v.1.5.5 and before allows a remote attacker to cause a denial of service via the UAClientgetRemoteDataTypes component...

DEBIAN-CVE-2026-67856

An issue in open62541 v.1.5.5 and before allows a remote attacker to cause a denial of service via crafted CreateSubscription, CreateMonitoredItemsSampling, Publish, TransferSubscriptions, and DeleteSubscriptions requests...

DEBIAN-CVE-2026-67855

open62541 contains a heap use-after-free in the GDS PushManagement certificate update workflow when UAENABLEGDSPUSHMANAGEMENT is enabled. This allows a remote attacker to cause a denial of service...

CVE-2026-67856

An issue in open62541 v.1.5.5 and before allows a remote attacker to cause a denial of service via crafted CreateSubscription, CreateMonitoredItemsSampling, Publish, TransferSubscriptions, and DeleteSubscriptions requests...