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7.8

CVE-2023-39138: ZIPFoundation 0.9.16 allows malicious zip files to extract files outside intended path

CVE-2023-39138 · published 3 years ago
Summary

An attacker can create a zip file that tricks the software into extracting files from outside the intended directory, potentially allowing unauthorized access or actions. This affects systems using ZIPFoundation version 0.9.16. Update to the latest version to fix this vulnerability.

What to do
  • Update github.com weichsel to version 0.9.18.
Affected software
Ecosystem VendorProductAffected versions
swift github.com weichsel <= 0.9.17
Fix: upgrade to 0.9.18
– peakstep zipfoundation 0.9.16
cpe:2.3:a:peakstep:zipfoundation:0.9.16:*:*:*:*:*:*:*
Original advisory text
An issue in ZIPFoundation v0.9.16 allows attackers to execute a path traversal via extracting a crafted zip file.
An issue in ZIPFoundation v0.9.16 allows attackers to execute a path traversal via extracting a crafted zip file.
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker full control
Severity
7.8 High
Exploitation
<1% chance of attack within 30 days
Type
CWE-22Path Traversal
Timeline
Published30 Aug 2023
Updated4 Nov 2026
First seen6 Mar 2026
Sources
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