Allocation of Resources Without Limits or Throttling in node-tar - CVE-2026-59873

Vulnerability identifier: #VU135768

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-59873

CWE-ID: CWE-770

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to cause a denial of service.

The vulnerability exists due to allocation of resources without limits or throttling in the Unpack stream in src/extract.ts when extracting crafted compressed tar archives. A remote attacker can send a specially crafted archive to cause a denial of service.

The issue can exhaust disk space and CPU through decompression and parsing of highly compressible input.

node-tar
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Confluence Data Center
Jira Software Data Center
Jira Service Management Data Center
Ansible Automation Platform
nodejs22 (Red Hat package)
nodejs24 (Red Hat package)

Install security update from vendor's website.

node-tar - update to 7.5.19
Confluence Data Center - addressed in versions 9.2.22, 10.2.14
Jira Software Data Center - addressed in versions 10.3.18, 11.3.9
Jira Service Management Data Center - addressed in versions 10.3.18, 11.3.10
Ansible Automation Platform - update to 2.2.0
nodejs22 (Red Hat package) - addressed in versions 22.23.1-3.el10_0, 22.23.1-4.el10_2
nodejs24 (Red Hat package) - update to 24.18.0-3.el10_2

• https://github.com/isaacs/node-tar/security/advisories/GHSA-23hp-3jrh-7fpw

• Allocation of Resources Without Limits or Throttling in node-tar
• Red Hat Enterprise Linux 8 update for the nodejs:24 module
• Red Hat Enterprise Linux 10 update for nodejs22
• Red Hat Enterprise Linux 10 update for nodejs24
• Red Hat Enterprise Linux 10 update for nodejs22
• Multiple vulnerabilities in Ansible Automation Platform 2.2 packages
• Multiple vulnerabilities in Confluence Data Center
• Multiple vulnerabilities in Jira Service Management Data Center
• Multiple vulnerabilities in Jira Software Data Center