CVE-2022-25888: Denial of Service (DoS)

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-08-23 · updated 2026-06-17
Weakness: CWE-770

Description

The package opcua from 0.0.0 are vulnerable to Denial of Service (DoS) due to a missing limitation on the number of received chunks - per single session or in total for all concurrent sessions. An attacker can exploit this vulnerability by sending an unlimited number of huge chunks (e.g. 2GB each) without sending the Final closing chunk.

Affected products

opcua: from 0.0.0

References

https://github.com/locka99/opcua/pull/216
https://github.com/locka99/opcua/pull/216/commits/6fb683c5fec46c6dd347824491c4d93a229da695
https://security.snyk.io/vuln/SNYK-RUST-OPCUA-2988751
https://github.com/locka99/opcua/pull/216
https://github.com/locka99/opcua/pull/216/commits/6fb683c5fec46c6dd347824491c4d93a229da695
https://security.snyk.io/vuln/SNYK-RUST-OPCUA-2988751

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