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OpenAdvisories
Unscored USN-8379-1 0 CVEs

python-urllib3 vulnerabilities

Published Jun 3, 2026 · Updated Jun 30, 2026

Summary

It was discovered that urllib3 incorrectly handled cross-origin redirects
in ProxyManager. A remote attacker could possibly use this issue to obtain
sensitive information. (CVE-2026-44431)

It was discovered that urllib3 incorrectly handled decompression of
specially crafted responses. A remote attacker could possibly use this
issue to cause urllib3 to consume resources, leading to a denial of
service. This issue only affected Ubuntu 26.04 LTS. (CVE-2026-44432)

Fixed packages 4

ReleasePackageFixed in
Ubuntu · 22.04 LTS 22.04:LTS python-urllib3 1.26.5-1~exp1ubuntu0.7
Ubuntu · 24.04 LTS 24.04:LTS python-urllib3 2.0.7-1ubuntu0.7
Ubuntu · 25.10 python-urllib3 2.3.0-3ubuntu0.6
Ubuntu · 26.04 LTS 26.04:LTS python-urllib3 2.6.3-1ubuntu1.1

References

  • report
    https://ubuntu.com/security/CVE-2026-44431
  • report
    https://ubuntu.com/security/CVE-2026-44432