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6.8

7-Zip allows remote attacker to run code via long filename

CVE-2007-4725 · published 19 years ago
Summary

Versions of 7-Zip older than the 4.53 beta can be tricked into running malicious code when a specially crafted archive contains an overly long file name. An attacker who convinces a user to open such an archive could take control of the computer. Upgrade 7-Zip to the latest version to eliminate this risk.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
7-zip 7-zip <= 4.42
4.43
4.44
4.45
4.46
4.47
4.48
4.49
4.50
4.51
4.52
cpe:2.3:a:7-zip:7-zip:*:*:*:*:*:*:*:*
Original advisory text
Stack consumption vulnerability in AkkyWareHOUSE 7-zip32.dll before 4.42.00.04, as derived from Igor Pavlov 7-Zip before 4.53 beta, allows user-assisted remote attackers to execute arbitrary code v...
Stack consumption vulnerability in AkkyWareHOUSE 7-zip32.dll before 4.42.00.04, as derived from Igor Pavlov 7-Zip before 4.53 beta, allows user-assisted remote attackers to execute arbitrary code via a long filename in an archive, leading to a heap-based buffer overflow.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker partial control (estimated)
Severity
6.8 Medium
Exploitation
6% chance of attack within 30 days
Type
CWE-400Uncontrolled Resource Consumption
Timeline
Published5 Sep 2007
Updated22 Oct 2026
First seen29 Sep 2026
Sources
CVE-2007-4725 · NVD
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