PatchTheCVECVE-2018-1002209: QuaZIP before 0.7.6 is vulnerable to directory traversal, allowing attackers to write to arbitrary files via a
CVE-2018-1002209 is a medium-severity flaw (CVSS 5.5) affecting quazip. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
QuaZIP before 0.7.6 is vulnerable to directory traversal, allowing attackers to write to arbitrary files via a ../ (dot dot slash) in a Zip archive entry that is mishandled during extraction. This vulnerability is also known as 'Zip-Slip'.
Why this priority
- EPSS top 7%: very likely to be exploited
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.5 (Medium) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 5.5% (top 7%) |
| CISA exploited list | No |
| Weakness | CWE-22 |
| Published | 2018-07-25 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2018-1002209?
quazip: upgrade to 0.7.6. Exact commands for each OS are on this page.
Is CVE-2018-1002209 being exploited?
CVE-2018-1002209 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2018-1002209 affect?
CVE-2018-1002209 affects quazip. Severity is medium (CVSS 5.5). QuaZIP before 0.7.6 is vulnerable to directory traversal, allowing attackers to write to arbitrary files via a ../ (dot dot slash) in a Zip archive entry that is mishandled during extraction. This vulnerability is also known as 'Zip-Slip'.
How urgent is CVE-2018-1002209?
Priority 42/100. EPSS top 7%: very likely to be exploited