{"schema":"threatline.record/2","record":{"id":"CVE-2026-15340","aliases":[],"summary":"Savannah lwIP SMTP client Classic Buffer Overflow","details":"lwIP SMTP client does not check the size of inputs, potentially allowing a buffer overflow.","categories":["Unclassified"],"product":"lwIP SMTP client","vendor":"Savannah","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-15340","source_modified_at":"2026-10-11T17:05:28.240Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"lwIP SMTP client","vendor":"Savannah","versions":[{"status":"affected","version":"2.2.1"},{"status":"unaffected","version":"patch_125_smtp_txbuf.diff"},{"status":"unaffected","version":"git commit (614420f82c8729d070e01464c0dddb3c9525c772)"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":9.8,"severity":"Critical","kev":{"listed":false},"epss":{"probability":0.00598,"percentile":0.4798,"score_date":"2026-10-23"},"published_at":"2026-10-09T14:52:43.517Z","modified_at":"2026-10-11T17:05:28.240Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-15340","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-11T17:05:28.240Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-15340","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://www.cisa.gov/news-events/ics-advisories/icsa-26-279-02"},{"source":"CVE List","url":"https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-279-02.json"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"yes","technical_impact":"total","assessed_at":"2026-10-11T16:49:07.157717Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-11T17:05:28.240Z","content_hash":"f5ce4cd83c4d8c057f2b673277ad56050e756f337354783821448a661a8c510f"}}