CVE-2026-67855
CVE-2026-67855
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 7.5 · High · EPSS 0.5%
- Published
- Updated
Stack: system
Affected products and versions
n/a
- Versions
- n/a: Affected
No fix published
open62541 Debian:13
- Versions
- 1.4.11.1-1
- 1.4.18-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
open62541 Debian:14
- Versions
- 1.4.11.1-1
- 1.4.18-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
open62541 Ubuntu:26.10
- Versions
- 1.4.11.1-1build1
- 1.4.18-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
open62541 Ubuntu:26.04:LTS
- Versions
- 1.4.11.1-1
- 1.4.11.1-1build1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
Original sources
- https://github.com/open62541/open62541
- https://github.com/open62541/open62541/issues/8093
- https://github.com/open62541/open62541/blob/master/src/server/ua_server_ns0_gds.c
- https://github.com/open62541/open62541/blob/master/arch/posix/eventloop_posix.c
- https://github.com/open62541/open62541/blob/master/src/server/ua_server_internal.h
- https://github.com/open62541/open62541/blob/master/examples/encryption/server_encryption.c
- https://nvd.nist.gov/vuln/detail/CVE-2026-67855