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CVE-2022-3290: rdiffweb's unlimited username field length can lead to DoS

September 27, 2022 (updated May 29, 2026)

rdiffweb prior to 2.4.8 is vulnerable to a potential Dos attack via an unlimited length “username” field. This can result in excess memory consumption, or memory corruption, leading to a Denial of Service (DoS). This issue is patched in version 2.4.8. There are no known workarounds.

References

  • github.com/advisories/GHSA-5v95-j4rr-6f3c
  • github.com/ikus060/rdiffweb/commit/667657c6fe2b336c90be37f37fb92f65df4feee3
  • github.com/pypa/advisory-database/tree/main/vulns/rdiffweb/PYSEC-2022-292.yaml
  • github.com/pypa/advisory-database/tree/main/vulns/rdiffweb/PYSEC-2022-43184.yaml
  • huntr.dev/bounties/d8b8519d-96a5-484c-8141-624c54290bf5
  • nvd.nist.gov/vuln/detail/CVE-2022-3290

Code Behaviors & Features

Detect and mitigate CVE-2022-3290 with GitLab Dependency Scanning

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Affected versions

All versions before 2.4.8

Fixed versions

  • 2.4.8

Solution

Upgrade to version 2.4.8 or above.

Impact 7.5 HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Learn more about CVSS

Weakness

  • CWE-130: Improper Handling of Length Parameter Inconsistency

Source file

pypi/rdiffweb/CVE-2022-3290.yml

Spotted a mistake? Edit the file on GitLab.

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