{"id":"CVE-2020-14058","details":"An issue was discovered in Squid before 4.12 and 5.x before 5.0.3. Due to use of a potentially dangerous function, Squid and the default certificate validation helper are vulnerable to a Denial of Service when opening a TLS connection to an attacker-controlled server for HTTPS. This occurs because unrecognized error values are mapped to NULL, but later code expects that each error value is mapped to a valid error string.","modified":"2026-04-16T00:05:38.422249234Z","published":"2020-06-30T19:15:11.130Z","related":["ALSA-2020:4743"],"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3RG5FGSTCAYVIJPJHIY3MRZ7NFT6HDO7/"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20210312-0001/"},{"type":"ADVISORY","url":"http://www.squid-cache.org/Advisories/SQUID-2020_6.txt"},{"type":"FIX","url":"http://www.squid-cache.org/Versions/v4/changesets/squid-4-93f5fda134a2a010b84ffedbe833d670e63ba4be.patch"},{"type":"FIX","url":"http://www.squid-cache.org/Versions/v5/changesets/squid-5-c6d1a4f6a2cbebceebc8a3fcd8f539ceb7b7f723.patch"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/squid-cache/squid","events":[{"introduced":"f188960023551b2e9cb2a9df245b92bfeef37056"},{"last_affected":"6cfeb300caf423ff49a0511d8bd43a56f3418273"}],"database_specific":{"versions":[{"introduced":"3.1"},{"last_affected":"3.5.28"}]}}],"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"4.0"},{"fixed":"4.12"}]},{"events":[{"introduced":"5.0"},{"fixed":"5.0.3"}]},{"events":[{"introduced":"0"},{"last_affected":"31"}]}],"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-14058.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}