[GHSA-6wvw-vrw4-363w] node-opcua: Unbounded nonce cache enables unauthenticated heap exhaustion DoS

[kgnio]

Updates

• Affected products
• Description

Comments
The affected and patched version metadata appears to be inconsistent with the upstream fix history.
The advisory currently lists affected versions as <= 2.165.0 and the patched version as 2.168.0.
However, the upstream fix commit (b82c2939fe9c658de58da993f2798ec5481d7313) directly addresses the unbounded nonce cache by introducing TTL-based and maximum-size eviction.
This fix is included in v2.166.0. Intermediate 2.165.x releases prior to v2.166.0 also appear to remain affected because the fix is first included in v2.166.0.

This change updates:
Affected versions:
<= 2.165.0 → < 2.166.0
Patched versions:
2.168.0 → 2.166.0

References:

• Fix commit:
  node-opcua/node-opcua@b82c293

• Confirmation that the fix is included in v2.166.0:
  node-opcua/node-opcua@b82c293...v2.166.0

[github]

Hi there @erossignon! A community member has suggested an improvement to your security advisory. If approved, this change will affect the global advisory listed at github.com/advisories. It will not affect the version listed in your project repository.

This change will be reviewed by our Security Curation Team. If you have thoughts or feedback, please share them in a comment here! If this PR has already been closed, you can start a new community contribution for this advisory

[erossignon]

Correct.

[advisory-database]

Hi @kgnio! Thank you so much for contributing to the GitHub Advisory Database. This database is free, open, and accessible to all, and it's people like you who make it great. Thanks for choosing to help others. We hope you send in more contributions in the future!