CVE-2023-26151
Publication date 3 October 2023
Last updated 26 August 2025
Ubuntu priority
Description
Versions of the package asyncua before 0.9.96 are vulnerable to Denial of Service (DoS) such that an attacker can send a malformed packet and as a result, the server will enter into an infinite loop and consume excessive memory.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| python-opcua | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release | |
| 22.04 LTS jammy |
Needs evaluation
|
|
| 20.04 LTS focal |
Needs evaluation
|
|
| 18.04 LTS bionic |
Needs evaluation
|
|
| 16.04 LTS xenial | Not in release | |
| 14.04 LTS trusty | Not in release |
Severity score breakdown
CVSS version: CVSS v3.0
Base score
5.3 · Medium
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
References
Other references
- https://gist.github.com/artfire52/1540b234350795e0ecb4d672608dbec8
- https://github.com/FreeOpcUa/opcua-asyncio/releases/tag/v0.9.96
- https://security.snyk.io/vuln/SNYK-PYTHON-ASYNCUA-5673709
- https://github.com/FreeOpcUa/opcua-asyncio/issues/1013
- https://github.com/FreeOpcUa/opcua-asyncio/pull/1039
- https://github.com/FreeOpcUa/opcua-asyncio/commit/f6603daa34a93a658f0e176cb0b9ee5a6643b262
- https://www.cve.org/CVERecord?id=CVE-2023-26151