QID 980359

QID 980359: Python (pip) Security Update for urllib3 (GHSA-q2q7-5pp4-w6pg)

Security update has been released for urllib3 to fix the vulnerability.

Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

When provided with a URL containing many `@` characters in the authority component the authority regular expression exhibits catastrophic backtracking causing a denial of service if a URL were passed as a parameter or redirected to via an HTTP redirect.

  • CVSS V3 rated as High - 7.5 severity.
  • CVSS V2 rated as Medium - 5 severity.
    • Solution
    The issue has been fixed in urllib3 v1.26.5.
    Vendor References

    CVEs related to QID 980359

    CVE-2021-33503 |
    Software Advisories
    Advisory ID Software Component Link
    GHSA-q2q7-5pp4-w6pg urllib3 URL Logo github.com/advisories/GHSA-q2q7-5pp4-w6pg
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