{"cve":"CVE-2021-46784","nvd":{"published":"2022-07-17T22:15:08.737","modified":"2026-06-17T04:15:34.057","status":"Modified","description":"In Squid 3.x through 3.5.28, 4.x through 4.17, and 5.x before 5.6, due to improper buffer management, a Denial of Service can occur when processing long Gopher server responses.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":6.5},"cwes":["CWE-617"],"references":["http://www.openwall.com/lists/oss-security/2023/10/13/1","http://www.openwall.com/lists/oss-security/2023/10/13/10","http://www.openwall.com/lists/oss-security/2023/10/21/1","http://www.squid-cache.org/Versions/v4/changesets/SQUID-2021_7.patch","http://www.squid-cache.org/Versions/v5/changesets/SQUID-2021_7.patch"],"products":["debian:debian_linux","squid-cache:squid"],"source":"nvd","synced_at":"2026-10-19T21:33:44.859608815+00:00"},"epss":{"cve":"CVE-2021-46784","score":0.05125,"percentile":0.92392,"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."]}