PT-2026-56494 · Isaacs · Node-Tar

Publicado 2026-07-08 · Atualizado 2026-07-08 · CVE-2026-59874

NVD

CVSS v4.0

8.7

Alta

Vetor base

AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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.

Exploit

Correção

Infinite Loop

Enumeração de Fraquezas

CWE-835

Identificadores relacionados

CVE-2026-59874

Produtos afetados

Node-Tar

Referências · 4

• 🔥 https://github.com/isaacs/node-tar/security/advisories/GHSA-8x88-c5mf-7j5w · Exploit
• https://github.com/isaacs/node-tar/releases/tag/v7.5.18 · Nota
• https://github.com/isaacs/node-tar/commit/9e78bf058b2c22dd4d52e00d8922d5c06fc2f7b5 · Nota
• https://nvd.nist.gov/vuln/detail/CVE-2026-59874 · Nota de Segurança