Vulnerability · Published Sep 22, 2021 · Assigned by mitre
CVE-2020-23478
High 7.5
In plain English
A high-severity security flaw in the leo package (PyPI). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 69% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.2%top 30.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Leo Editor v6.2.1 was discovered to contain a regular expression denial of service (ReDoS) vulnerability in the component plugins/importers/dart.py.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| PyPI | leo | 6.3 | GHSA-x38q-xg2h-rxgx |
| PyPI | leo | 6.3 | PYSEC-2021-338 |
Affected products (as reported)
References
- https://github.com/leo-editor/leo-editor/issues/1597 x_refsource_MISC
- https://cwe.mitre.org/data/definitions/1333.html x_refsource_MISC