{"id":"CVE-2026-58045","state":"PUBLISHED","title":"A flaw in Node.js allows a spoofed `TypedArray` `byteLength` to trigger a reachable assertion in the synchronous `node:zlib` APIs, causing the entire process to crash. All 11 synch","description":"A flaw in Node.js allows a spoofed `TypedArray` `byteLength` to trigger a reachable assertion in the synchronous `node:zlib` APIs, causing the entire process to crash. All 11 synchronous zlib functions are affected.\r\n\r\nRepeated exploitation of this condition can result in a denial of service.\r\n\r\nThis vulnerability affects Node.js **22.x**, **24.x**, and **26.x**.","publishedAt":"2026-08-04T00:49:58.266Z","updatedAt":"2026-08-04T15:03:57.326Z","severity":{"score":6.2,"label":"Medium","version":"3.0","vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"hackerone"},"assigner":"hackerone","products":["nodejs node"],"affected":[{"vendor":"nodejs","product":"node","defaultStatus":"unaffected","versions":[{"version":"26.5.0","status":"affected","lessThanOrEqual":"26.5.0","versionType":"semver"},{"version":"24.18.0","status":"affected","lessThanOrEqual":"24.18.0","versionType":"semver"},{"version":"22.23.1","status":"affected","lessThanOrEqual":"22.23.1","versionType":"semver"}]}],"references":["https://nodejs.org/en/blog/vulnerability/july-2026-security-releases"],"weaknesses":["CWE-400"],"ingestedAt":"2026-10-29T20:12:24.861Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/58xxx/CVE-2026-58045.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-58045","state":"PUBLISHED","datePublished":"2026-08-04T00:49:58.266Z","dateUpdated":"2026-08-04T15:03:57.326Z","assignerShortName":"hackerone","assignerOrgId":"36234546-b8fa-4601-9d6f-f4e334aa8ea1","dateReserved":"2026-06-27T15:00:00.780Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A flaw in Node.js allows a spoofed `TypedArray` `byteLength` to trigger a reachable assertion in the synchronous `node:zlib` APIs, causing the entire process to crash. All 11 synchronous zlib functions are affected.\r\n\r\nRepeated exploitation of this condition can result in a denial of service.\r\n\r\nThis vulnerability affects Node.js **22.x**, **24.x**, and **26.x**."}],"affected":[{"vendor":"nodejs","product":"node","defaultStatus":"unaffected","versions":[{"version":"26.5.0","status":"affected","lessThanOrEqual":"26.5.0","versionType":"semver"},{"version":"24.18.0","status":"affected","lessThanOrEqual":"24.18.0","versionType":"semver"},{"version":"22.23.1","status":"affected","lessThanOrEqual":"22.23.1","versionType":"semver"}]}],"references":[{"url":"https://nodejs.org/en/blog/vulnerability/july-2026-security-releases"}],"metrics":[{"cvssV3_0":{"version":"3.0","vectorString":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":6.2,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-400","type":"CWE","lang":"en","description":"CWE-400 Uncontrolled Resource Consumption"}]}],"providerMetadata":{"shortName":"hackerone","orgId":"36234546-b8fa-4601-9d6f-f4e334aa8ea1","dateUpdated":"2026-08-04T00:49:58.266Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-04T14:19:40.312440Z","id":"CVE-2026-58045","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-04T15:03:57.326Z"}}]}}}