[SECURITY] Fedora 43 Update: open62541-1.5.8-1.fc43

open62541 is a C-based library linking with C++ projects is possible with all necessary tools to implement dedicated OPC UA clients and servers, or to integrate OPC UA-based communication into existing applications...

[SECURITY] Fedora 44 Update: open62541-1.5.8-1.fc44

open62541 is a C-based library linking with C++ projects is possible with all necessary tools to implement dedicated OPC UA clients and servers, or to integrate OPC UA-based communication into existing applications...

[SECURITY] Fedora 45 Update: open62541-1.5.8-1.fc45

open62541 is a C-based library linking with C++ projects is possible with all necessary tools to implement dedicated OPC UA clients and servers, or to integrate OPC UA-based communication into existing applications...

Fedora 43 : open62541 (2026-8cbd9e2c8b)

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-8cbd9e2c8b advisory. Update to 1.5.8 Tenable has extracted the preceding description block directly from the Fedora security advisory. Note that Nessus has not tested fo...

Fedora 45 : open62541 (2026-3fd073ad5b)

The remote Fedora 45 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-3fd073ad5b advisory. Update to 1.5.8 Tenable has extracted the preceding description block directly from the Fedora security advisory. Note that Nessus has not tested fo...

Fedora 44 : open62541 (2026-6d919ea521)

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-6d919ea521 advisory. Update to 1.5.8 Tenable has extracted the preceding description block directly from the Fedora security advisory. Note that Nessus has not tested fo...

CVE-2026-82623

A flaw was found in open62541. A remote attacker could exploit a use-after-free vulnerability in the UADataValuebackendcopyRange function within the History Backend component. This flaw could lead to a denial of service, making the affected system unavailable. Mitigation Update open62541 to versi...

CVE-2026-82623

A vulnerability was detected in open62541 up to 1.5.5. Affected by this vulnerability is the function UADataValuebackendcopyRange of the file plugins/historydata/uahistorydatabackendmemory.c of the component History Backend. The manipulation results in use after free. The attack can be launched...

UBUNTU-CVE-2026-82623

A vulnerability was detected in open62541 up to 1.5.5. Affected by this vulnerability is the function UADataValuebackendcopyRange of the file plugins/historydata/uahistorydatabackendmemory.c of the component History Backend. The manipulation results in use after free. The attack can be launched...

EUVD-2026-68367

A vulnerability was detected in open62541 up to 1.5.5. Affected by this vulnerability is the function UADataValuebackendcopyRange of the file plugins/historydata/uahistorydatabackendmemory.c of the component History Backend. The manipulation results in use after free. The attack can be launched...

CVE-2026-82623

A vulnerability was detected in open62541 up to 1.5.5. Affected by this vulnerability is the function UADataValuebackendcopyRange of the file plugins/historydata/uahistorydatabackendmemory.c of the component History Backend. The manipulation results in use after free. The attack can be launched...

CVE-2026-82623 open62541 History Backend ua_history_data_backend_memory.c UA_DataValue_backend_copyRange use after free

A vulnerability was detected in open62541 up to 1.5.5. Affected by this vulnerability is the function UADataValuebackendcopyRange of the file plugins/historydata/uahistorydatabackendmemory.c of the component History Backend. The manipulation results in use after free. The attack can be launched...

CVE-2026-82623 open62541 History Backend ua_history_data_backend_memory.c UA_DataValue_backend_copyRange use after free

A vulnerability was detected in open62541 up to 1.5.5. Affected by this vulnerability is the function UADataValuebackendcopyRange of the file plugins/historydata/uahistorydatabackendmemory.c of the component History Backend. The manipulation results in use after free. The attack can be launched...

CVE-2026-82623 open62541 History Backend ua_history_data_backend_memory.c UA_DataValue_backend_copyRange use after free

A vulnerability was detected in open62541 up to 1.5.5. Affected by this vulnerability is the function UADataValuebackendcopyRange of the file plugins/historydata/uahistorydatabackendmemory.c of the component History Backend. The manipulation results in use after free. The attack can be launched...

CVE-2026-82623

CVE-2026-82623 affects open62541 versions up to 1.5.5 , specifically the function UA_DataValue_backend_copyRange in the file plugins/historydata/ua_history_data_backend_memory.c of the History Backend component. The root cause is a use-after-free that can be triggered remotely without privileges ...

CVE-2026-82623: Use After Free

A vulnerability was detected in open62541 up to 1.5.5. Affected by this vulnerability is the function UADataValuebackendcopyRange of the file plugins/historydata/uahistorydatabackendmemory.c of the component History Backend. The manipulation results in use after free. The attack can be launched...

Linux Distros Unpatched Vulnerability : CVE-2026-82623

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A vulnerability was detected in open62541 up to 1.5.5. Affected by this vulnerability is the function UADataValuebackendcopyRange of the file...

CVE-2026-82623

A vulnerability was detected in open62541 up to 1.5.5. Affected by this vulnerability is the function UADataValuebackendcopyRange of the file plugins/historydata/uahistorydatabackendmemory.c of the component History Backend. The manipulation results in use after free. The attack can be launched...

PT-2026-83710

A vulnerability was detected in open62541 up to 1.5.5. Affected by this vulnerability is the function UA DataValue backend copyRange of the file plugins/historydata/ua history data backend memory.c of the component History Backend. The manipulation results in use after free. The attack can be...

ANT-2026-PJV7Z0AR · open62541 · Integer Overflow

integer-overflow high CVE-2026-63559 CVE-2026-65423 Severity Claude high · Security research firm high · Maintainer high Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Trail of Bits. ANT-2026-PJV7Z0AR: Integer...