CVE-2021-3842
unknown
CVSS v3
—
CVSS v4 NEW
—
VIR risk
—
Description
nltk is vulnerable to Inefficient Regular Expression Complexity
Predictions
Exploit likelihood
30%
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
Debian Mixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 3.6.7-1 |
| sid | Fixed | 3.6.7-1 |
| forky | Fixed | 3.6.7-1 |
| bullseye | Affected | — |
| bookworm | Fixed | 3.6.7-1 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2021-3842
- https://github.com/nltk/nltk/pull/2906
- https://github.com/nltk/nltk/commit/2a50a3edc9d35f57ae42a921c621edc160877f4d
- https://github.com/nltk/nltk
- https://github.com/pypa/advisory-database/tree/main/vulns/nltk/PYSEC-2022-5.yaml
- https://huntr.dev/bounties/761a761e-2be2-430a-8d92-6f74ffe9866a
- https://github.com/advisories/GHSA-rqjh-jp2r-59cj
- https://security-tracker.debian.org/tracker/CVE-2021-3842
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.