{"cve":"CVE-2021-29061","nvd":{"published":"2021-06-21T20:15:09.437","modified":"2026-06-17T03:47:13.213","status":"Modified","description":"A Regular Expression Denial of Service (ReDOS) vulnerability was discovered in Vfsjfilechooser2 version 0.2.9 and below which occurs when the application attempts to validate crafted URIs.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-770"],"references":["https://github.com/fracpete/vfsjfilechooser2/commit/9c9f2c317f3de5ece60a3ae28c371e9796e3909b","https://github.com/fracpete/vfsjfilechooser2/issues/7","https://github.com/fracpete/vfsjfilechooser2/releases/tag/vfsjfilechooser2-0.2.9","https://github.com/yetingli/PoCs/blob/main/CVE-2021-29061/Vfsjfilechooser2.md","https://github.com/yetingli/SaveResults/blob/main/md/vfsjfilechooser2.md"],"products":["vfsjfilechooser2_project:vfsjfilechooser2"],"source":"nvd","synced_at":"2026-10-19T21:20:07.141963181+00:00"},"epss":{"cve":"CVE-2021-29061","score":0.02315,"percentile":0.83416,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-c7fh-chf7-jr5x","url":"https://osv.dev/vulnerability/GHSA-c7fh-chf7-jr5x","summary":"ReDOS in Vfsjfilechooser2","modified":"2023-11-08T04:05:32.734323Z","packages":[{"ecosystem":"Maven","name":"com.github.fracpete:vfsjfilechooser2","purl":"pkg:maven/com.github.fracpete/vfsjfilechooser2","ranges":["<0.2.9"],"fixed":["0.2.9"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}