{"cve":"CVE-2015-3220","nvd":{"published":"2017-06-13T16:29:00.183","modified":"2026-06-17T00:25:33.863","status":"Modified","description":"The tlslite library before 0.4.9 for Python allows remote attackers to trigger a denial of service (runtime exception and process crash).","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-119"],"references":["https://bugzilla.redhat.com/show_bug.cgi?id=1254215","https://github.com/trevp/tlslite/commit/aca8d4f898b436ff6754e1a9ab96cae976c8a853","https://groups.google.com/forum/#%21topic/tlslite-dev/MoWE7B0A4iU","https://bugzilla.redhat.com/show_bug.cgi?id=1254215","https://github.com/trevp/tlslite/commit/aca8d4f898b436ff6754e1a9ab96cae976c8a853"],"products":["tlslite_project:tlslite"],"source":"nvd","synced_at":"2026-10-19T20:43:44.556243339+00:00"},"epss":{"cve":"CVE-2015-3220","score":0.0323,"percentile":0.88257,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-4749-p7rx-8jjj","url":"https://osv.dev/vulnerability/GHSA-4749-p7rx-8jjj","summary":"tlslite remote denial of service vulnerability","modified":"2024-11-18T22:05:58.978556Z","packages":[{"ecosystem":"PyPI","name":"tlslite","purl":"pkg:pypi/tlslite","ranges":["<0.4.9"],"fixed":["0.4.9"]}]},{"id":"PYSEC-2017-96","url":"https://osv.dev/vulnerability/PYSEC-2017-96","summary":"","modified":"2026-06-10T17:02:44.556425643Z","packages":[{"ecosystem":"PyPI","name":"tlslite","purl":"pkg:pypi/tlslite","ranges":["<0.4.9"],"fixed":["0.4.9"]}]}],"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."]}