{"cve":"CVE-2014-1569","nvd":{"published":"2014-12-15T18:59:00.067","modified":"2026-06-17T00:05:11.163","status":"Modified","description":"The definite_length_decoder function in lib/util/quickder.c in Mozilla Network Security Services (NSS) before 3.16.2.4 and 3.17.x before 3.17.3 does not ensure that the DER encoding of an ASN.1 length is properly formed, which allows remote attackers to conduct data-smuggling attacks by using a long byte sequence for an encoding, as demonstrated by the SEC_QuickDERDecodeItem function's improper handling of an arbitrary-length encoding of 0x00.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00024.html","http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00032.html","http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00033.html","http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00036.html","http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00000.html"],"products":["mozilla:network_security_services"],"source":"nvd","synced_at":"2026-10-19T20:34:45.729216538+00:00"},"epss":{"cve":"CVE-2014-1569","score":0.03182,"percentile":0.88073,"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."]}