{"cve":"CVE-2020-7461","nvd":{"published":"2021-03-26T21:15:13.053","modified":"2026-06-17T03:24:49.540","status":"Modified","description":"In FreeBSD 12.1-STABLE before r365010, 11.4-STABLE before r365011, 12.1-RELEASE before p9, 11.4-RELEASE before p3, and 11.3-RELEASE before p13, dhclient(8) fails to handle certain malformed input related to handling of DHCP option 119 resulting a heap overflow. The heap overflow could in principle be exploited to achieve remote code execution. The affected process runs with reduced privileges in a Capsicum sandbox, limiting the immediate impact of an exploit.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","score":7.3},"cwes":["CWE-787"],"references":["https://cert-portal.siemens.com/productcert/pdf/ssa-288459.pdf","https://security.FreeBSD.org/advisories/FreeBSD-SA-20:26.dhclient.asc","https://cert-portal.siemens.com/productcert/pdf/ssa-288459.pdf","https://security.FreeBSD.org/advisories/FreeBSD-SA-20:26.dhclient.asc"],"products":["freebsd:freebsd","siemens:simatic_rf350m_firmware","siemens:simatic_rf650m_firmware"],"source":"nvd","synced_at":"2026-10-19T21:17:01.373894544+00:00"},"epss":{"cve":"CVE-2020-7461","score":0.04126,"percentile":0.90818,"date":"2026-10-31"},"kev":null,"osv":[],"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."]}