CVE-2021-42771
medium
CVSS v3
—
CVSS v4 NEW
—
VIR risk
5.5
Description
RHSA-2021:4201: babel security and bug fix update (Moderate)
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| rocky | 8 | fixed | |
| debian | bookworm | fixed | 2.8.0+dfsg.1-7 |
| debian | bullseye | fixed | 2.8.0+dfsg.1-7 |
| debian | forky | fixed | 2.8.0+dfsg.1-7 |
| debian | sid | fixed | 2.8.0+dfsg.1-7 |
| debian | trixie | fixed | 2.8.0+dfsg.1-7 |
| almalinux | 8 | fixed | python3-babel-2.5.1-7.el8.noarch.rpm |
| rhel | 8 | fixed | |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| PyPI | babel | <2.9.1 | 2.9.1 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2021-42771
- https://github.com/python-babel/babel/pull/782
- https://github.com/python-babel/babel/commit/412015ef642bfcc0d8ba8f4d05cdbb6aac98d9b3
- https://github.com/advisories/GHSA-h4m5-qpfp-3mpv
- https://github.com/pypa/advisory-database/tree/main/vulns/babel/PYSEC-2021-421.yaml
- https://github.com/python-babel/babel
- https://lists.debian.org/debian-lts-announce/2021/10/msg00018.html
- https://lists.debian.org/debian-lts/2021/10/msg00040.html
- https://www.debian.org/security/2021/dsa-5018
- https://www.tenable.com/security/research/tra-2021-14
- https://www.suse.com/security/cve/CVE-2021-42771.html
- https://errata.rockylinux.org/RLSA-2021:4162
- https://errata.rockylinux.org/RLSA-2021:4201
- https://errata.rockylinux.org/RLSA-2021:4151
- https://security-tracker.debian.org/tracker/CVE-2021-42771
- https://errata.almalinux.org/8/ALSA-2021-4201.html
- https://errata.almalinux.org/8/ALSA-2021-4151.html
- https://errata.almalinux.org/8/ALSA-2021-4162.html
- https://access.redhat.com/errata/RHSA-2021:4151
- https://access.redhat.com/errata/RHSA-2021:4162
- https://access.redhat.com/errata/RHSA-2021:4201
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.