CVSS 3.1
5.5 mediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HCVE-2022-40896
Medium (5.5) in pygments pygments. EPSS 0.5% chance of exploitation in the next 30 days. Fixed in pygments 2.15.0, 2.15.1.
A ReDoS issue was discovered in pygments/lexers/smithy.py in pygments through 2.15.0 via SmithyLexer.
Severity
- EPSS
- 0.5% chance of exploitation in the next 30 days; higher than 44% of CVEs (scores of 2026-10-31)
- CWE
- CWE-434
- Published
- Modified
- Record from
- the NVD, synced
Affected
- pygments:pygments
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-mrwq-x4v8-fh7p | PyPI | pygments | <2.15.0 | 2.15.0 |
| PYSEC-2023-117 | PyPI | pygments | <2.15.1 | 2.15.1 |
References
- https://github.com/pygments/pygments/blob/master/pygments/lexers/smithy.py#L61
- 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/