{"id":"CVE-2025-59464","state":"PUBLISHED","title":"A memory leak in Node.js’s OpenSSL integration occurs when converting `X.509` certificate fields to UTF-8 without freeing the allocated buffer. When applications call `socket.getPe","description":"A memory leak in Node.js’s OpenSSL integration occurs when converting `X.509` certificate fields to UTF-8 without freeing the allocated buffer. When applications call `socket.getPeerCertificate(true)`, each certificate field leaks memory, allowing remote clients to trigger steady memory growth through repeated TLS connections. Over time this can lead to resource exhaustion and denial of service.","publishedAt":"2026-01-20T20:41:55.599Z","updatedAt":"2026-01-21T20:41:09.437Z","severity":{"score":6.5,"label":"Medium","version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","source":"hackerone"},"assigner":"hackerone","products":["nodejs node"],"affected":[{"vendor":"nodejs","product":"node","defaultStatus":"unaffected","versions":[{"version":"24.12.0","status":"affected","lessThan":"24.12.0","versionType":"semver"}]}],"references":["https://nodejs.org/en/blog/vulnerability/december-2025-security-releases"],"weaknesses":["CWE-400"],"ingestedAt":"2026-10-29T20:09:39.787Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/59xxx/CVE-2025-59464.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-59464","state":"PUBLISHED","datePublished":"2026-01-20T20:41:55.599Z","dateUpdated":"2026-01-21T20:41:09.437Z","assignerShortName":"hackerone","assignerOrgId":"36234546-b8fa-4601-9d6f-f4e334aa8ea1","dateReserved":"2025-09-16T15:00:07.875Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A memory leak in Node.js’s OpenSSL integration occurs when converting `X.509` certificate fields to UTF-8 without freeing the allocated buffer. When applications call `socket.getPeerCertificate(true)`, each certificate field leaks memory, allowing remote clients to trigger steady memory growth through repeated TLS connections. Over time this can lead to resource exhaustion and denial of service."}],"affected":[{"vendor":"nodejs","product":"node","defaultStatus":"unaffected","versions":[{"version":"24.12.0","status":"affected","lessThan":"24.12.0","versionType":"semver"}]}],"references":[{"url":"https://nodejs.org/en/blog/vulnerability/december-2025-security-releases"}],"metrics":[{"cvssV3_0":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","baseScore":6.5,"baseSeverity":"MEDIUM"}}],"providerMetadata":{"shortName":"hackerone","orgId":"36234546-b8fa-4601-9d6f-f4e334aa8ea1","dateUpdated":"2026-01-20T20:41:55.599Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-01-21T20:40:07.879640Z","id":"CVE-2025-59464","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-400","type":"CWE","lang":"en","description":"CWE-400 Uncontrolled Resource Consumption"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-01-21T20:41:09.437Z"}}]}}}