{"cve":"CVE-2021-3872","nvd":{"published":"2021-10-19T13:15:11.820","modified":"2026-06-17T04:05:55.550","status":"Modified","description":"vim is vulnerable to Heap-based Buffer Overflow","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-122","CWE-787"],"references":["https://github.com/vim/vim/commit/826bfe4bbd7594188e3d74d2539d9707b1c6a14b","https://huntr.dev/bounties/c958013b-1c09-4939-92ca-92f50aa169e8","https://lists.debian.org/debian-lts-announce/2022/03/msg00018.html","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7K4JJBIH3OQSZRVTWKCJCDLGMFGQ5DOH/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S42L4Z4DTW4LHLQ4FJ33VEOXRCBE7WN4/"],"products":["debian:debian_linux","fedoraproject:fedora","vim:vim"],"source":"nvd","synced_at":"2026-10-19T21:24:39.218183596+00:00"},"epss":{"cve":"CVE-2021-3872","score":0.01494,"percentile":0.74158,"date":"2026-11-01"},"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."]}