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NVD · CVE-2026-67855
CVE-2026-67855
Published: Tue, 04 Aug 2026 22:17
CVE-2026-67855
Summary
open62541 contains a heap use-after-free in the GDS PushManagement certificate update workflow when UA_ENABLE_GDS_PUSHMANAGEMENT is enabled. This allows a remote attacker to cause a denial of service.
Are YOU affected by CVE-2026-67855?
5-second check on your actual server. Reads /etc/os-release, uname -r, and dpkg-query; matches against the live USN + Debian Security Tracker feeds; tells you whether CVE-2026-67855 (and any other live CVE) applies. Anonymous, no signup.
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References
- https://github.com/open62541/open62541
- https://github.com/open62541/open62541/blob/master/arch/posix/eventloop_posix.c
- https://github.com/open62541/open62541/blob/master/examples/encryption/server_encryption.c
- https://github.com/open62541/open62541/blob/master/src/server/ua_server_internal.h
- https://github.com/open62541/open62541/blob/master/src/server/ua_server_ns0_gds.c
- https://github.com/open62541/open62541/issues/8093
- https://github.com/open62541/open62541/issues/8093
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