{"cve":"CVE-2011-2605","nvd":{"published":"2011-06-30T16:55:05.550","modified":"2026-06-16T23:31:38.163","status":"Modified","description":"CRLF injection vulnerability in the nsCookieService::SetCookieStringInternal function in netwerk/cookie/nsCookieService.cpp in Mozilla Firefox before 3.6.18 and 4.x through 4.0.1, and Thunderbird before 3.1.11, allows remote attackers to bypass intended access restrictions via a string containing a \\n (newline) character, which is not properly handled in a JavaScript \"document.cookie =\" expression, a different vulnerability than CVE-2011-2374.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-94"],"references":["http://www.mozilla.org/security/announce/2011/mfsa2011-19.html","http://www.redhat.com/support/errata/RHSA-2011-0885.html","http://www.redhat.com/support/errata/RHSA-2011-0886.html","http://www.redhat.com/support/errata/RHSA-2011-0887.html","http://www.redhat.com/support/errata/RHSA-2011-0888.html"],"products":["mozilla:firefox","mozilla:thunderbird"],"source":"nvd","synced_at":"2026-10-19T19:58:50.521460154+00:00"},"epss":{"cve":"CVE-2011-2605","score":0.01034,"percentile":0.63849,"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."]}