{"cve":{"cve_id":"CVE-2018-18508","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.01956,"epss_percentile":0.77686,"epss_as_of":"2026-06-23","description":"In Network Security Services (NSS) before 3.36.7 and before 3.41.1, a malformed signature can cause a crash due to a null dereference, resulting in a Denial of Service.","published_at":"2020-10-22T20:14:42Z","last_modified_at":null,"cvss_v3_score":null,"cvss_v3_vector":null,"cvss_v3_severity":null,"cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":null,"nvd_references":["https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.36.7_release_notes","https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.41.1_release_notes","https://cert-portal.siemens.com/productcert/pdf/ssa-379803.pdf","https://us-cert.cisa.gov/ics/advisories/icsa-21-040-04"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:11:05.609587Z"},"effective_severity":null,"badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"mozilla","vendor_name":"Mozilla","product_slug":"nss","product_name":"NSS","version_start":"unspecified","version_start_inclusive":true,"version_end":"3.41.1","version_end_inclusive":false,"cpe23_uri":"cve5:mozilla:nss:unspecified:3.41.1"},{"vendor_slug":"mozilla","vendor_name":"Mozilla","product_slug":"nss","product_name":"NSS","version_start":"unspecified","version_start_inclusive":true,"version_end":"3.36.7","version_end_inclusive":false,"cpe23_uri":"cve5:mozilla:nss:unspecified:3.36.7"}],"exploit_refs":[],"news":[],"references":[{"url":"https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.36.7_release_notes","source_type":"MISC","tags":[]},{"url":"https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.41.1_release_notes","source_type":"MISC","tags":[]},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-379803.pdf","source_type":"MISC","tags":[]},{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-21-040-04","source_type":"VENDOR_ADVISORY","tags":["advisory"]}],"timeline":[{"type":"published","at":"2020-10-22T20:14:42Z","label":"CVE published","source":null}]}