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 a
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.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Python (PyPI) | asyncua | < 0.9.96 | 0.9.96 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2023-26151
- 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://gist.github.com/artfire52/1540b234350795e0ecb4d672608dbec8
- https://github.com/FreeOpcUa/opcua-asyncio
- https://github.com/FreeOpcUa/opcua-asyncio/releases/tag/v0.9.96
- https://github.com/pypa/advisory-database/tree/main/vulns/asyncua/PYSEC-2023-190.yaml
- https://security.snyk.io/vuln/SNYK-PYTHON-ASYNCUA-5673709
- https://github.com/advisories/GHSA-gfvq-mxw3-mfq3
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H- Weakness (CWE)
CWE-835- Platform
- Python (PyPI)
- Package
asyncua- Disclosed
- 03.10.2023
- Updated
- 11.10.2026 12:19
Sources and licenses
OSV / GitHub Advisory Database - GHSA-gfvq-mxw3-mfq3 - CC BY 4.0
OSV / GitHub Advisory Database - PYSEC-2023-190 - PyPA Advisory Database; CC BY 4.0
Vulnerability history: asyncua
All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 3
- First → latest
- 08.2022 10.2023
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- High 3
Disclosures per year
- 2022: 1
- 2023: 2
- 2024: 0
- 2025: 0
- 2026: 0
-
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 a this entry
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