node-tar: Uncaught Exception DoS via NUL byte in PAX path/linkpath records
Priority MEDIUM 63CWE-248Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- Partial Red Hat: 32 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-248.
Summary
node-tar is a tar archive manipulation library for Node.js. Prior to 7.5.17, node-tar does not strip NUL bytes from PAX path and linkpath records in src/pax.ts, allowing a crafted archive with values to reach fs.lstat or fs.open and terminate the process with an uncaught exception. This issue is fixed in version 7.5.17.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00354 29th percentileScored 2026-11-07
Fix Partial node-tar (isaacs): 7.5.17tar (npm): 7.5.17Red Hat: 32 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| isaacs | node-tar | before 7.5.17 | 7.5.17 | Patch available | CNA |
| — | tar (npm) | before 7.5.17 | 7.5.17 | Patch available | GHSA-gvwx-54wh-qm9j |
- node-tar Vendorisaacs Affected before 7.5.17 Fixed in 7.5.17 Patch available CNA
- tar (npm) Vendor— Affected before 7.5.17 Fixed in 7.5.17 Patch available GHSA-gvwx-54wh-qm9j
Remediation
- Fix · CNA node-tar (isaacs) Fixed in 7.5.17
- Fix · GHSA-gvwx-54wh-qm9j tar (npm) Fixed in 7.5.17 Advisory →
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Confidential Compute Attestation | Affected | No fix yet: Fix deferred |
| Cryostat 4 | Affected | No fix yet: Fix deferred |
| Exploit Intelligence | Affected | No fix yet: Fix deferred |
| Migration Toolkit for Containers | Affected | No fix yet: Fix deferred |
| Node HealthCheck Operator | Affected | No fix yet: Fix deferred |
| OpenShift Pipelines | Affected | No fix yet: Fix deferred |
| OpenShift Service Mesh 3 | Affected | No fix yet: Fix deferred |
| Red Hat 3scale API Management Platform 2 | Affected | No fix yet: Fix deferred |
| Red Hat AMQ Broker 7 | Affected | No fix yet: Fix deferred |
| Red Hat Advanced Cluster Management for Kubernetes 2 | Affected | No fix yet: Fix deferred |
| Red Hat Build of Podman Desktop | Affected | No fix yet: Fix deferred |
| Red Hat Connectivity Link 1 | Affected | No fix yet: Fix deferred |
| Red Hat Developer Hub 1 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 10 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 6 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 7 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 8 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 9 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux AI (RHEL AI) 3 | Affected | No fix yet: Fix deferred |
| Red Hat JBoss Enterprise Application Platform 7 | Affected | No fix yet: Fix deferred |
| Red Hat JBoss Enterprise Application Platform Expansion Pack | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift AI (RHOAI) | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Container Platform 4 | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Container Platform 5 | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Dev Spaces | Affected | No fix yet: Fix deferred |
| Red Hat Openshift Data Foundation 4 | Affected | No fix yet: Fix deferred |
| Red Hat Satellite 6 | Affected | No fix yet: Fix deferred |
| Red Hat Single Sign-On 7 | Affected | No fix yet: Fix deferred |
| Red Hat Trusted Artifact Signer | Affected | No fix yet: Fix deferred |
| Red Hat build of Apache Camel - HawtIO 4 | Affected | No fix yet: Fix deferred |
| Red Hat build of Apache Camel for Spring Boot 4 | Affected | No fix yet: Fix deferred |
| Self-service automation portal 2 | Affected | No fix yet: Fix deferred |
Not affected: 1 product
- Red Hat Hardened Images
Timeline
- 2026-10-02 Threatist record created from CVE-2026-59875
- 2026-10-03 Alias added: GHSA-gvwx-54wh-qm9j
- 2026-10-27 Affected versions changed · Red Hat
- 2026-11-02 Affected versions changed · Red Hat
References
More isaacs vulnerabilities
- TI-2026-42687 node-tar: Decompression/parse DoS via unlimited input CVSS 4.0CRITICAL 9.2
- TI-2026-42688 node-tar: Negative tar entry size causes infinite loop in archive replace CVSS 4.0HIGH 8.7
- TI-2026-51656 Uncontrolled resource consumption in isaacs node-tar CVSS 3.1HIGH 7.5
- TI-2026-42686 node-tar: Process crash via PAX numeric path type confusion CVSS 3.1HIGH 7.5
- TI-2026-24357 node-tar Symlink Path Traversal via Drive-Relative Linkpath CVSS 4.0HIGH 8.2
- TI-2026-23372 node-tar: Hardlink Path Traversal via Drive-Relative Linkpath CVSS 4.0HIGH 8.2
Sources
- CVE-2026-59875 · CVE Program
- CVE-2026-59875 · NVD
- FIRST EPSS
- GHSA-gvwx-54wh-qm9j · GitHub Advisory Database · CC BY 4.0
- CVE-2026-59875 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences