CVE-2026-109380
- Source
- https://cve.org/CVERecord?id=CVE-2026-109380
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-109380.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2026-109380
- Published
- 2026-10-12T20:55:11Z
- Modified
- 2026-10-28T02:30:56Z
- Severity
-
- 8.7 (High) CVSS_V4 - 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 CVSS Calculator
- Summary
- modern-tar 0.3.5 through 0.8.5 Memory Exhaustion via Malformed Octal Size Field
- Details
-
modern-tar 0.3.5 through 0.8.5 contains a memory exhaustion vulnerability that allows attackers to produce negative entry sizes via non-octal bytes parsed by readOctal(). Attackers can supply a crafted, optionally gzip-compressed, archive to unpackTar() that buffers chunks indefinitely, exhausting process memory and suppressing later entries.
- Database specific
{ "cna_assigner": "VulnCheck", "cwe_ids": [ "CWE-1284" ], "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109380.json" }- References
-
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109380.json
- https://nvd.nist.gov/vuln/detail/CVE-2026-109380
- https://www.vulncheck.com/advisories/modern-tar-0.3.5-through-0.8.5-memory-exhaustion-via-malformed-octal-size-field
- https://github.com/ayuhito/modern-tar/commit/181c8cb75351867535057817ada4802a90fe416e
- https://github.com/ayuhito/modern-tar/pull/195
- https://github.com/ayuhito/modern-tar
- https://github.com/ayuhito/modern-tar/blob/v0.8.5/src/tar/encoding.ts
Affected packages
Git / github.com/ayuhito/modern-tar
Affected ranges
- Type
- GIT
- Repo
- https://github.com/ayuhito/modern-tar
- Events
- Database specific
-
Show details
{ "extracted_events": [ { "range": [ { "introduced": "0.3.5" }, { "last_affected": "0.8.5" } ], "source": "AFFECTED_FIELD", "strategy": "StandardRange" }, { "range": [ { "fixed": "181c8cb75351867535057817ada4802a90fe416e" } ], "source": "REFERENCES_COMMIT" } ] }