Description
A heap use-after-free vulnerability in the TransferSubscriptions service in open62541 may allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
o6 Automation open62541
Default version status: unaffected
1.3.0 to ≤ 1.3.17affected1.4.0 to ≤ 1.4.16affected1.5.0 to ≤ 1.5.4affectedmasteraffected
References
- https://www.o6-automation.com/contact ↗
- https://github.com/open62541/open62541/pull/8235/commits/b666d35769ce63998442e4d0810a3fb10b50179f ↗
- https://github.com/open62541/open62541/pull/8236/commits/06b99fef667c8ec5bdf0605b4f00c84fcc1d3a60 ↗
- https://github.com/open62541/open62541/pull/8237/commits/1b71d9c5d9c4d02d4729b8903a52e9f530bf804e ↗
- https://github.com/open62541/open62541/pull/8238/commits/afab4107bfd161da9ce8bb30ed77f3968c9c97df ↗
- https://www.cisa.gov/news-events/ics-advisories/icsa-26-211-08 ↗
- https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-211-08.json ↗