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CVE-2026-109380 modern-tar 0.3.5 through 0.8.5 Memory Exhaustion via Malformed Octal Size Field

🗓️ 12 Oct 2026 20:55:11Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 2 Views

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 unpac...

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13 Oct 2026 10:48Current
5.9Medium risk
Vulners AI Score5.9
CVSS 48.7
2