CVE-2010-0831: Matthias Klose Fastjar

Medium severity, CVSS 5.8. EPSS: 3.7% chance of exploitation in the next 30 days.

Directory traversal vulnerability in the extract_jar function in jartool.c in FastJar 0.98 allows remote attackers to create or overwrite arbitrary files via a .. (dot dot) in a non-initial pathname component in a filename within a .jar archive, a related issue to CVE-2005-1080. NOTE: this vulnerability exists because of an incomplete fix for CVE-2006-3619.

Affected products

Published 2010-06-18. Last modified 2026-06-16.