CVE Explorer
CVE-2026-59874
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.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"node-tar","vendor":"isaacs","versions":[{"status":"affected","version":"< 7.5.18"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:39b3b8965d6033dae5bbf9ed2c0500008c918b0c1b82bcc0570e1a119e6def3f · sha256:aa2b9167af90cfd5… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.7,"baseSeverity":"HIGH","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"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","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:39b3b8965d6033dae5bbf9ed2c0500008c918b0c1b82bcc0570e1a119e6def3f · sha256:aa2b9167af90cfd5… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-835","description":"CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:39b3b8965d6033dae5bbf9ed2c0500008c918b0c1b82bcc0570e1a119e6def3f · sha256:aa2b9167af90cfd5… · /containers/cna/problemTypes/0/descriptions/0
Source references
4 source assertions{"name":"https://github.com/isaacs/node-tar/commit/9e78bf058b2c22dd4d52e00d8922d5c06fc2f7b5","tags":["x_refsource_MISC"],"url":"https://github.com/isaacs/node-tar/commit/9e78bf058b2c22dd4d52e00d8922d5c06fc2f7b5"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:39b3b8965d6033dae5bbf9ed2c0500008c918b0c1b82bcc0570e1a119e6def3f · sha256:aa2b9167af90cfd5… · /containers/cna/references/1
{"name":"https://github.com/isaacs/node-tar/releases/tag/v7.5.18","tags":["x_refsource_MISC"],"url":"https://github.com/isaacs/node-tar/releases/tag/v7.5.18"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:39b3b8965d6033dae5bbf9ed2c0500008c918b0c1b82bcc0570e1a119e6def3f · sha256:aa2b9167af90cfd5… · /containers/cna/references/2
{"tags":["exploit"],"url":"https://github.com/isaacs/node-tar/security/advisories/GHSA-8x88-c5mf-7j5w"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:39b3b8965d6033dae5bbf9ed2c0500008c918b0c1b82bcc0570e1a119e6def3f · sha256:aa2b9167af90cfd5… · /containers/adp/0/references/0
{"name":"https://github.com/isaacs/node-tar/security/advisories/GHSA-8x88-c5mf-7j5w","tags":["x_refsource_CONFIRM"],"url":"https://github.com/isaacs/node-tar/security/advisories/GHSA-8x88-c5mf-7j5w"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:39b3b8965d6033dae5bbf9ed2c0500008c918b0c1b82bcc0570e1a119e6def3f · sha256:aa2b9167af90cfd5… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.