CVE-2021-28965

medium
Published 2021-04-05 · Modified 2023-09-15
CVSS v3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS v2
VIR risk
5.5

Description

Moderate: ruby:2.6 security, bug fix, and enhancement 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-2021-2588.html

vendor Authored 2026-05-27

Vendor advisory: alma — https://errata.almalinux.org/8/ALSA-2021-2587.html

vendor Authored 2026-05-27

Vendor advisory: alma — https://errata.almalinux.org/8/ALSA-2021-2584.html

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-28965

vendor Authored 2026-05-27

Vendor advisory: rocky — https://errata.rockylinux.org/RLSA-2021:2584

vendor Authored 2026-05-27

Vendor advisory: rocky — https://errata.rockylinux.org/RLSA-2021:2587

vendor Authored 2026-05-27

Vendor advisory: rocky — https://errata.rockylinux.org/RLSA-2021:2588

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2021-28965.html

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-202104-1

OS impact

OSVersionStatusFixed in
arch archfixed3.0.1-1
suse slesaffected
rockylinux rocky8fixed
debian debianbullseyefixed2.7.3-1

Package impact

EcosystemPackageVulnerableFixed
ruby RubyGemsrexml<~> 3.1.9.1~> 3.1.9.1
ruby RubyGemsrexml<3.2.53.2.5

References

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