GHSA-q2q7-5pp4-w6pg: urllib3 fixed in 1.26.5

GHSA-q2q7-5pp4-w6pg PUBLISHED CVSS 7.5 HIGH

Record from GitHub Advisory Database · Published June 1, 2021

urllib3 is fixed in 1.26.5 (PyPI)

Catastrophic backtracking in URL authority parser when passed URL containing many @ characters

Fixed versions

Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.

Package	Ecosystem	Fixed in
urllib3	PyPI	1.26.5

Risk scores

CVSS 3.1

7.5

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

Affected products

Vendor	Product	Versions
PyPI	urllib3	1.25.4
PyPI	urllib3	1.25.4

Timeline

Jun 1, 2021 CVE Published
Mar 2, 2026 Security Advisory

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln GHSA-q2q7-5pp4-w6pg
vulnetix vdb fixes GHSA-q2q7-5pp4-w6pg

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/GHSA-q2q7-5pp4-w6pg/fixes/registry"

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References

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