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CVE-2016-2334

HighPublished

Heap-based buffer overflow in the NArchive::NHfs::CHandler::ExtractZlibFile method in 7zip before 16.00 and p7zip allows remote attackers to execute...

Published: Dec 13, 2016
Updated: Aug 5, 2024
Assigning CNA: certcc
Evidence observed: Aug 8, 2026

Primary CVSS

9.3/ 10High

nvd · CVSS 2.0

AV:N/AC:M/Au:N/C:C/I:C/A:C

EPSS probability estimate

19.6%

Moderate · next 30 days

Percentile: 97.3%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

Heap-based buffer overflow in the NArchive::NHfs::CHandler::ExtractZlibFile method in 7zip before 16.00 and p7zip allows remote attackers to execute arbitrary code via a crafted HFS+ image.

Sources

CVE-2016-2334Exploit
Exploit for CVE-2016-2334: heap overflow in 7zip's HFS+ archive parser. Includes HFS+ file generator and WinDbg heap analysis scripts for debugging the vulnerability.

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