CVE-2022-40896
unknown
CVSS v3
—
CVSS v4 NEW
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VIR risk
—
Description
A ReDoS issue was discovered in pygments/lexers/smithy.py in pygments through 2.15.0 via SmithyLexer.
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
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Debian Mixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 2.15.1+dfsg-1 |
| sid | Fixed | 2.15.1+dfsg-1 |
| forky | Fixed | 2.15.1+dfsg-1 |
| bullseye | Fixed | 0 |
| bookworm | Affected | — |
References
- https://nvd.nist.gov/vuln/detail/CVE-2022-40896
- https://github.com/pygments/pygments/commit/97eb3d5ec7c1b3ea4fcf9dee30a2309cf92bd194
- https://github.com/pygments/pygments/commit/dd52102c38ebe78cd57748e09f38929fd283ad04
- https://github.com/pygments/pygments/commit/fdf182a7af85b1deeeb637ca970d31935e7c9d52
- https://github.com/pygments/pygments
- https://github.com/pygments/pygments/blob/master/pygments/lexers/smithy.py#L61
- https://github.com/pypa/advisory-database/tree/main/vulns/pygments/PYSEC-2023-117.yaml
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EZGMXALE3HSP4OXC7UUWIKX3OXKZDTY3
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUZO4BQCIY2S2KZYHERQMKURB7AHXDBO
- https://pypi.org/project/Pygments
- https://pyup.io/posts/pyup-discovers-redos-vulnerabilities-in-top-python-packages-part-2
- https://pypi.org/project/Pygments/
- https://pyup.io/posts/pyup-discovers-redos-vulnerabilities-in-top-python-packages-part-2/
- https://www.suse.com/security/cve/CVE-2022-40896.html
- https://security-tracker.debian.org/tracker/CVE-2022-40896
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.