VULNERABILITY INTELLIGENCE

CVE-2021-32840

CVSS score7.3 HIGH
EPSS probability1.91%
CISA KEVNot currently listed
Published2022-01-26
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L

Description

SharpZipLib (or #ziplib) is a Zip, GZip, Tar and BZip2 library. Prior to version 1.3.3, a TAR file entry `../evil.txt` may be extracted in the parent directory of `destFolder`. This leads to arbitrary file write that may lead to code execution. The vulnerability was patched in version 1.3.3.

Weakness classification

  • security-advisories@github.com: CWE-22
  • nvd@nist.gov: CWE-22

Primary references