GHSA-mhpq-9638-x6pw: Duplicate Advisory: Denial of service when decrypting attack controlled input in github.com/dvsekhvalnov/jose2go

December 20, 2023 (updated February 3, 2026)

Duplicate Advisory

This advisory has been withdrawn because it is a duplicate of GHSA-6294-6rgp-fr7r. This link is maintained to preserve external references.

Original Description

An attacker controlled input of a PBES2 encrypted JWE blob can have a very large p2c value that, when decrypted, produces a denial-of-service.

References

github.com/advisories/GHSA-mhpq-9638-x6pw
github.com/dvsekhvalnov/jose2go
github.com/dvsekhvalnov/jose2go/commit/a4584e9dd7128608fedbc67892eba9697f0d5317
github.com/dvsekhvalnov/jose2go/issues/31
www.blackhat.com/us-23/briefings/schedule/

Code Behaviors & Features

Detect and mitigate GHSA-mhpq-9638-x6pw with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →