CVE-2025-66471

high
Published 2025-12-05 · Modified 2026-01-27
CVSS v3
CVSS v2
VIR risk
8.0

Description

Important: python-urllib3 security update

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: alma — https://errata.almalinux.org/9/ALSA-2026-1087.html

vendor Authored 2026-05-27

Vendor advisory: alma — https://errata.almalinux.org/9/ALSA-2026-1239.html

vendor Authored 2026-05-27

Vendor advisory: alma — https://errata.almalinux.org/9/ALSA-2026-1089.html

vendor Authored 2026-05-27

Vendor advisory: alma — https://errata.almalinux.org/9/ALSA-2026-1088.html

vendor Authored 2026-05-27

Vendor advisory: alma — https://errata.almalinux.org/8/ALSA-2026-1241.html

vendor Authored 2026-05-27

Vendor advisory: alma — https://access.redhat.com/errata/RHSA-2026:1241

vendor Authored 2026-05-27

Vendor advisory: alma — https://errata.almalinux.org/8/ALSA-2026-1240.html

vendor Authored 2026-05-27

Vendor advisory: alma — https://access.redhat.com/errata/RHSA-2026:1240

vendor Authored 2026-05-27

Vendor advisory: alma — https://errata.almalinux.org/8/ALSA-2026-1226.html

vendor Authored 2026-05-27

Vendor advisory: alma — https://access.redhat.com/errata/RHSA-2026:1226

vendor Authored 2026-05-27

Vendor advisory: alma — https://errata.almalinux.org/8/ALSA-2026-1224.html

vendor Authored 2026-05-27

Vendor advisory: alma — https://access.redhat.com/errata/RHSA-2026:1224

vendor Authored 2026-05-27

Vendor advisory: alma — https://errata.almalinux.org/8/ALSA-2026-1254.html

vendor Authored 2026-05-27

Vendor advisory: alma — https://bugzilla.redhat.com/2427726

vendor Authored 2026-05-27

Vendor advisory: alma — https://bugzilla.redhat.com/2419467

vendor Authored 2026-05-27

Vendor advisory: alma — https://bugzilla.redhat.com/2419455

vendor Authored 2026-05-27

Vendor advisory: alma — https://access.redhat.com/errata/RHSA-2026:1254

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2025-66471

vendor Authored 2026-05-27

Vendor advisory: rocky — https://errata.rockylinux.org/RLSA-2026:1088

vendor Authored 2026-05-27

Vendor advisory: rocky — https://errata.rockylinux.org/RLSA-2026:1239

vendor Authored 2026-05-27

Vendor advisory: rocky — https://errata.rockylinux.org/RLSA-2026:1089

vendor Authored 2026-05-27

Vendor advisory: rocky — https://errata.rockylinux.org/RLSA-2026:1087

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2025-66471.html

vendor Authored 2026-05-27

Vendor advisory: redhat — https://access.redhat.com/errata/RHSA-2026:1239

vendor Authored 2026-05-27

Vendor advisory: redhat — https://access.redhat.com/errata/RHSA-2026:1089

vendor Authored 2026-05-27

Vendor advisory: redhat — https://access.redhat.com/errata/RHSA-2026:1088

vendor Authored 2026-05-27

Vendor advisory: redhat — https://access.redhat.com/errata/RHSA-2026:1087

vendor Authored 2026-05-27

Vendor advisory: rocky — https://errata.rockylinux.org/RLSA-2026:1254

vendor Authored 2026-05-27

Vendor advisory: rocky — https://errata.rockylinux.org/RLSA-2026:1224

vendor Authored 2026-05-27

Vendor advisory: rocky — https://errata.rockylinux.org/RLSA-2026:1226

vendor Authored 2026-05-27

Vendor advisory: rocky — https://errata.rockylinux.org/RLSA-2026:1241

vendor Authored 2026-05-27

Vendor advisory: rocky — https://errata.rockylinux.org/RLSA-2026:1240

OS impact

OSVersionStatusFixed in
rockylinux rocky8fixed
redhat rhel9fixed
suse slesaffected
rockylinux rocky9fixed
debian debianbookwormaffected
debian debianbullseyeaffected
debian debianforkyfixed2.6.3-1
debian debiansidfixed2.6.3-1
debian debiantrixieaffected

Package impact

EcosystemPackageVulnerableFixed
python PyPIurllib3>=1.0,<2.6.02.6.0

References

Verify integrity in audit chain (admin only). AS-IS.