{"id":"CVE-2021-22918","state":"PUBLISHED","title":"Node.js before 16.4.1, 14.17.2, 12.22.2 is vulnerable to an out-of-bounds read when uv__idna_toascii() is used to convert strings to ASCII. The pointer p is read and increased with","description":"Node.js before 16.4.1, 14.17.2, 12.22.2 is vulnerable to an out-of-bounds read when uv__idna_toascii() is used to convert strings to ASCII. The pointer p is read and increased without checking whether it is beyond pe, with the latter holding a pointer to the end of the buffer. This can lead to information disclosures or crashes. This function can be triggered via uv_getaddrinfo().","publishedAt":"2021-07-12T00:00:00.000Z","updatedAt":"2025-04-30T22:24:33.832Z","severity":null,"assigner":"hackerone","products":["NodeJS Node"],"affected":[{"vendor":"NodeJS","product":"Node","defaultStatus":"unaffected","versions":[{"version":"4.0","status":"affected","lessThan":"4.*","versionType":"semver"},{"version":"5.0","status":"affected","lessThan":"5.*","versionType":"semver"},{"version":"6.0","status":"affected","lessThan":"6.*","versionType":"semver"},{"version":"7.0","status":"affected","lessThan":"7.*","versionType":"semver"},{"version":"8.0","status":"affected","lessThan":"8.*","versionType":"semver"},{"version":"9.0","status":"affected","lessThan":"9.*","versionType":"semver"},{"version":"10.0","status":"affected","lessThan":"10.*","versionType":"semver"},{"version":"11.0","status":"affected","lessThan":"11.*","versionType":"semver"},{"version":"12.0","status":"affected","lessThan":"12.22.2","versionType":"semver"},{"version":"13.0","status":"affected","lessThan":"13.*","versionType":"semver"},{"version":"14.0","status":"affected","lessThan":"14.17.2","versionType":"semver"},{"version":"15.0","status":"affected","lessThan":"15.*","versionType":"semver"},{"version":"16.0","status":"affected","lessThan":"16.4.1","versionType":"semver"}]}],"references":["https://hackerone.com/reports/1209681","https://nodejs.org/en/blog/vulnerability/july-2021-security-releases/","https://security.netapp.com/advisory/ntap-20210805-0003/","https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf","https://security.gentoo.org/glsa/202401-23"],"weaknesses":["CWE-125"],"ingestedAt":"2026-10-29T19:48:02.192Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/22xxx/CVE-2021-22918.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-22918","state":"PUBLISHED","datePublished":"2021-07-12T00:00:00.000Z","dateUpdated":"2025-04-30T22:24:33.832Z","assignerShortName":"hackerone","assignerOrgId":"36234546-b8fa-4601-9d6f-f4e334aa8ea1","dateReserved":"2021-01-06T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Node.js before 16.4.1, 14.17.2, 12.22.2 is vulnerable to an out-of-bounds read when uv__idna_toascii() is used to convert strings to ASCII. The pointer p is read and increased without checking whether it is beyond pe, with the latter holding a pointer to the end of the buffer. This can lead to information disclosures or crashes. This function can be triggered via uv_getaddrinfo()."}],"affected":[{"vendor":"NodeJS","product":"Node","defaultStatus":"unaffected","versions":[{"version":"4.0","status":"affected","lessThan":"4.*","versionType":"semver"},{"version":"5.0","status":"affected","lessThan":"5.*","versionType":"semver"},{"version":"6.0","status":"affected","lessThan":"6.*","versionType":"semver"},{"version":"7.0","status":"affected","lessThan":"7.*","versionType":"semver"},{"version":"8.0","status":"affected","lessThan":"8.*","versionType":"semver"},{"version":"9.0","status":"affected","lessThan":"9.*","versionType":"semver"},{"version":"10.0","status":"affected","lessThan":"10.*","versionType":"semver"},{"version":"11.0","status":"affected","lessThan":"11.*","versionType":"semver"},{"version":"12.0","status":"affected","lessThan":"12.22.2","versionType":"semver"},{"version":"13.0","status":"affected","lessThan":"13.*","versionType":"semver"},{"version":"14.0","status":"affected","lessThan":"14.17.2","versionType":"semver"},{"version":"15.0","status":"affected","lessThan":"15.*","versionType":"semver"},{"version":"16.0","status":"affected","lessThan":"16.4.1","versionType":"semver"}]}],"references":[{"url":"https://hackerone.com/reports/1209681"},{"url":"https://nodejs.org/en/blog/vulnerability/july-2021-security-releases/"},{"url":"https://security.netapp.com/advisory/ntap-20210805-0003/"},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf"},{"url":"https://security.gentoo.org/glsa/202401-23","name":"GLSA-202401-23","tags":["vendor-advisory"]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-125","type":"CWE","lang":"en","description":"Out-of-bounds Read (CWE-125)"}]}],"providerMetadata":{"shortName":"hackerone","orgId":"36234546-b8fa-4601-9d6f-f4e334aa8ea1","dateUpdated":"2025-04-30T22:24:33.832Z"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://hackerone.com/reports/1209681","tags":["x_transferred"]},{"url":"https://nodejs.org/en/blog/vulnerability/july-2021-security-releases/","tags":["x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20210805-0003/","tags":["x_transferred"]},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf","tags":["x_transferred"]},{"url":"https://security.gentoo.org/glsa/202401-23","name":"GLSA-202401-23","tags":["vendor-advisory","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T18:58:25.665Z"}}]}}}