CVE-2022-25903

Name: CVE-2022-25903
Creator: NVD / NIST
Published: 2022-08-24T05:15:07.377+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.11%

Last modified Jun 17, 2026

CVE-2022-25903 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. The package opcua from 0.0.0 are vulnerable to Denial of Service (DoS) via the ExtensionObjects and Variants objects, when it allows unlimited nesting levels, which could result in a stack overflow even if the message size is less than the maximum allowed.. EPSS estimates a 1.11% chance of exploitation in the next 30 days.

Description

The package opcua from 0.0.0 are vulnerable to Denial of Service (DoS) via the ExtensionObjects and Variants objects, when it allows unlimited nesting levels, which could result in a stack overflow even if the message size is less than the maximum allowed.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

1.11%

61.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Opcua Project	Opcua	>= 0.0.0

References

https://github.com/locka99/opcua/pull/216Third Party Advisory
https://github.com/locka99/opcua/pull/216/commits/e75dada28a40c3fefc4aeee4cdc272e1b748f8ddPatch, Third Party Advisory
https://security.snyk.io/vuln/SNYK-RUST-OPCUA-2988750Patch, Third Party Advisory
https://github.com/locka99/opcua/pull/216Third Party Advisory
https://github.com/locka99/opcua/pull/216/commits/e75dada28a40c3fefc4aeee4cdc272e1b748f8ddPatch, Third Party Advisory
https://security.snyk.io/vuln/SNYK-RUST-OPCUA-2988750Patch, Third Party Advisory

Timeline

Published: Aug 24, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-25903?

How severe is CVE-2022-25903?

CVE-2022-25903 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.11% probability of exploitation in the next 30 days.

How do I fix CVE-2022-25903?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-25903?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST