node-tar is a tar archive manipulation library for Node.js. Prior to 7.5.18, tar.replace accepts a checksum-valid tar header with a negative base-256 encoded entry size, causing the archive scanner to make no progress while repeatedly parsing the same header. This issue is fixed in version 7.5.18.
{
"cna_assigner": "GitHub_M",
"cwe_ids": [
"CWE-835"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/59xxx/CVE-2026-59874.json"
}{
"extracted_events": [
{
"cpe": "cpe:2.3:a:isaacs:tar:*:*:*:*:*:node.js:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "7.5.18"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "9e78bf058b2c22dd4d52e00d8922d5c06fc2f7b5"
}
],
"source": "REFERENCES_COMMIT"
},
{
"original_tag": "v7.5.18",
"range": [
{
"fixed": "9ecd4d2956fd915507eca018ddc1fea727fbba93"
}
],
"source": "REFERENCES_TAG"
}
]
}