{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-78161","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","state":"PUBLISHED","assignerShortName":"VulDB","dateReserved":"2026-08-23T11:53:19.761Z","datePublished":"2026-08-24T00:45:08.842Z","dateUpdated":"2026-08-24T17:22:31.257Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","shortName":"VulDB","dateUpdated":"2026-08-24T00:45:08.842Z"},"title":"warmcat libwebsockets LECP CBOR Recording lecp.c report_raw_cbor out-of-bounds write","problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-787","lang":"en","description":"Out-of-bounds Write"}]},{"descriptions":[{"type":"CWE","cweId":"CWE-119","lang":"en","description":"Memory Corruption"}]}],"affected":[{"vendor":"warmcat","product":"libwebsockets","versions":[{"version":"4.5.0","status":"affected"}],"cpes":["cpe:2.3:a:warmcat:libwebsockets:*:*:*:*:*:*:*:*"],"modules":["LECP CBOR Recording"]}],"descriptions":[{"lang":"en","value":"A vulnerability was found in warmcat libwebsockets 4.5.0. Impacted is the function report_raw_cbor of the file lib/misc/lecp.c of the component LECP CBOR Recording. The manipulation results in out-of-bounds write. The attack can be launched remotely. The exploit has been made public and could be used. The patch is identified as 1d44554a1bb262db63ff4e240152a9deecd99054. It is best practice to apply a patch to resolve this issue."}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":6.9,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":7.3,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","baseSeverity":"HIGH"}},{"cvssV3_0":{"version":"3.0","baseScore":7.3,"vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","baseSeverity":"HIGH"}},{"cvssV2_0":{"version":"2.0","baseScore":7.5,"vectorString":"AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C"}}],"timeline":[{"time":"2026-08-23T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-08-23T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-08-23T13:58:25.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"biniam (VulDB User)","type":"reporter"}],"references":[{"url":"https://vuldb.com/vuln/394543","name":"VDB-394543 | warmcat libwebsockets LECP CBOR Recording lecp.c report_raw_cbor out-of-bounds write","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/394543/cti","name":"VDB-394543 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-78161","name":"CVE-2026-78161 | CVE Analysis and Report","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/883225","name":"Submit #883225 | warmcat libwebsockets 4.5.99-v4.5.0-508-gb4b5aed39 Out-of-bounds Write","tags":["third-party-advisory"]},{"url":"https://github.com/biniamf/pocs/tree/main/libwebsockets-lecp-lecp_parse-cbor_pos_oob_write","tags":["exploit"]},{"url":"https://github.com/biniamf/pocs/blob/main/libwebsockets-lecp-lecp_parse-cbor_pos_oob_write/poc_lecp_cbor_pos_oob.c","tags":["exploit"]},{"url":"https://github.com/warmcat/libwebsockets/commit/1d44554a1bb262db63ff4e240152a9deecd99054","tags":["patch"]},{"url":"https://github.com/warmcat/libwebsockets/","tags":["product"]}],"tags":["x_open-source"],"x_generator":["VulDB PVTS v202608"]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-24T17:19:23.692201Z","id":"CVE-2026-78161","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-24T17:22:31.257Z"}}]}}