CVE-2023-26151
MEDIUMfreeopcua/opcua-asyncio < 0.9.96 - Denial of Service via Malformed Packet
Title source: llmDescription
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.
References (6)
Core 6
Core References
Exploit, Third Party Advisory
https://gist.github.com/artfire52/1540b234350795e0ecb4d672608dbec8
Exploit, Issue Tracking, Third Party Advisory
https://github.com/FreeOpcUa/opcua-asyncio/issues/1013
Product, Release Notes
https://github.com/FreeOpcUa/opcua-asyncio/releases/tag/v0.9.96
Exploit, Patch, Third Party Advisory
https://security.snyk.io/vuln/SNYK-PYTHON-ASYNCUA-5673709
Scores
CVSS v3
5.3
EPSS
0.0103
EPSS Percentile
59.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-400
CWE-835
Status
published
Products (2)
freeopcua/opcua-asyncio
< 0.9.96
pypi/asyncua
0 - 0.9.96PyPI
Published
Oct 03, 2023
Tracked Since
Feb 18, 2026