{"cve":"CVE-2016-9964","nvd":{"published":"2016-12-16T09:59:00.373","modified":"2026-06-17T00:56:51.143","status":"Modified","description":"redirect() in bottle.py in bottle 0.12.10 doesn't filter a \"\\r\\n\" sequence, which leads to a CRLF attack, as demonstrated by a redirect(\"233\\r\\nSet-Cookie: name=salt\") call.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","score":6.5},"cwes":["CWE-93"],"references":["http://www.debian.org/security/2016/dsa-3743","http://www.securityfocus.com/bid/94961","https://github.com/bottlepy/bottle/commit/6d7e13da0f998820800ecb3fe9ccee4189aefb54","https://github.com/bottlepy/bottle/issues/913","http://www.debian.org/security/2016/dsa-3743"],"products":["bottlepy:bottle","debian:debian_linux"],"source":"nvd","synced_at":"2026-10-19T20:41:25.729257544+00:00"},"epss":{"cve":"CVE-2016-9964","score":0.01761,"percentile":0.78009,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-j6f7-hghw-g437","url":"https://osv.dev/vulnerability/GHSA-j6f7-hghw-g437","summary":"bottle.py vulnerable to CRLF Injection","modified":"2024-11-25T05:23:41.636493Z","packages":[{"ecosystem":"PyPI","name":"bottle","purl":"pkg:pypi/bottle","ranges":[">=0.10.1 <0.12.11"],"fixed":["0.12.11"]}]},{"id":"PYSEC-2016-24","url":"https://osv.dev/vulnerability/PYSEC-2016-24","summary":"","modified":"2023-11-08T03:58:39.635834Z","packages":[{"ecosystem":"PyPI","name":"bottle","purl":"pkg:pypi/bottle","ranges":[">=0.10.1 <0.12.11"],"fixed":["0.12.11"]}]}],"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."]}