{"schema":"threatline.record/2","record":{"id":"CVE-2026-15442","aliases":[],"summary":"Heap use-after-free on read during bidirectional (D)TLS shutdown","details":"In all builds that make use of (D)TLS, including default builds, there is a series of conditional states during the TLS shutdown which could lead to a heap-use-after free. If an application ended up getting a partial wolfSSL_read() which is sometimes caused by a small user buffer  passed in, then called wolfSSL_shutdown for a bidirectional close and attempted to wolfSSL_read() again while the peer continues trying to send data during the shutdown it would lead to a state where a potential heap-use-after free happened.","categories":["Unclassified"],"product":"wolfSSL","vendor":"wolfSSL","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-15442","source_modified_at":"2026-09-30T10:48:05.055Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"wolfSSL","vendor":"wolfSSL","versions":[{"status":"affected","version":"4.4.0","lessThanOrEqual":"5.9.2","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":2.3,"severity":"Low","kev":{"listed":false},"epss":{"probability":0.00304,"percentile":0.2196,"score_date":"2026-10-23"},"published_at":"2026-09-27T09:24:31.594Z","modified_at":"2026-09-30T10:48:05.055Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-15442","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-09-30T10:48:05.055Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-15442","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/wolfSSL/wolfssl/pull/10863"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-09-30T10:47:12.677039Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-09-30T10:48:05.055Z","content_hash":"e425eae5f85e1eb63f7ef9e75bb158bd3259dce83b9162aa4bf98c6978a001f6"}}