CVE-2021-33503

medium
Published 2021-06-01 · Modified 2021-11-09
CVSS v3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v2
VIR risk
5.5

Description

Moderate: python38:3.8 and python38-devel:3.8 security update

Predictions

Exploit likelihood
30%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: alma — https://errata.almalinux.org/8/ALSA-2021-4162.html

vendor Authored 2026-05-27

Vendor advisory: alma — https://errata.almalinux.org/8/ALSA-2021-4160.html

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-33503

vendor Authored 2026-05-27

Vendor advisory: rocky — https://errata.rockylinux.org/RLSA-2021:4160

vendor Authored 2026-05-27

Vendor advisory: rocky — https://errata.rockylinux.org/RLSA-2021:4162

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2021-33503.html

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-202106-25

OS impact

OSVersionStatusFixed in
arch archfixed1.26.5-1
suse slesaffected
rockylinux rocky8fixed
debian debianbookwormfixed1.26.5-1~exp1
debian debianbullseyefixed1.26.5-1~exp1
debian debianforkyfixed1.26.5-1~exp1
debian debiansidfixed1.26.5-1~exp1
debian debiantrixiefixed1.26.5-1~exp1

Package impact

EcosystemPackageVulnerableFixed
python PyPIurllib3>=1.25.4,<1.26.51.26.5
python PyPIurllib3<2d4a3fee6de2fa45eb82169361918f759269b4ec||<1.26.52d4a3fee6de2fa45eb82169361918f759269b4ec

References

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