{"id":"CVE-2020-15049","details":"An issue was discovered in http/ContentLengthInterpreter.cc in Squid before 4.12 and 5.x before 5.0.3. A Request Smuggling and Poisoning attack can succeed against the HTTP cache. The client sends an HTTP request with a Content-Length header containing \"+\\ \"-\" or an uncommon shell whitespace character prefix to the length field-value.","modified":"2026-03-15T15:08:55.515990Z","published":"2020-06-30T18:15:12.367Z","related":["ALSA-2020:4743","GHSA-qf3v-rc95-96j5","SUSE-SU-2020:14460-1","SUSE-SU-2020:1946-1","SUSE-SU-2020:2442-1","SUSE-SU-2020:2443-1","openSUSE-SU-2020:1346-1","openSUSE-SU-2020:1369-1","openSUSE-SU-2024:11403-1"],"references":[{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00017.html"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2020/10/msg00005.html"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3RG5FGSTCAYVIJPJHIY3MRZ7NFT6HDO7/"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00012.html"},{"type":"WEB","url":"https://usn.ubuntu.com/4551-1/"},{"type":"ADVISORY","url":"https://github.com/squid-cache/squid/security/advisories/GHSA-qf3v-rc95-96j5"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20210312-0001/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2020/dsa-4732"},{"type":"FIX","url":"http://www.squid-cache.org/Versions/v5/changesets/squid-5-485c9a7bb1bba88754e07ad0094647ea57a6eb8d.patch"},{"type":"FIX","url":"http://www.squid-cache.org/Versions/v4/changesets/squid-4-ea12a34d338b962707d5078d6d1fc7c6eb119a22.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":"2.0"},{"last_affected":"2.6"}]},{"events":[{"introduced":"4.0"},{"fixed":"4.12"}]},{"events":[{"introduced":"5.0"},{"fixed":"5.0.3"}]},{"events":[{"introduced":"0"},{"last_affected":"2.7"}]},{"events":[{"introduced":"0"},{"last_affected":"2.7-stable2"}]},{"events":[{"introduced":"0"},{"last_affected":"2.7-stable3"}]},{"events":[{"introduced":"0"},{"last_affected":"2.7-stable4"}]},{"events":[{"introduced":"0"},{"last_affected":"2.7-stable5"}]},{"events":[{"introduced":"0"},{"last_affected":"2.7-stable6"}]},{"events":[{"introduced":"0"},{"last_affected":"2.7-stable7"}]},{"events":[{"introduced":"0"},{"last_affected":"2.7-stable8"}]},{"events":[{"introduced":"0"},{"last_affected":"2.7-stable9"}]},{"events":[{"introduced":"0"},{"last_affected":"31"}]}],"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-15049.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}