PatchTheCVECVE-2017-2158: Improper verification when expanding ZIP64 archives in Lhaplus versions 1.73 and earlier may lead to unintende
CVE-2017-2158 is a low-severity flaw (CVSS 3.3) affecting lhaplus. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Improper verification when expanding ZIP64 archives in Lhaplus versions 1.73 and earlier may lead to unintended contents to be extracted from a specially crafted ZIP64 archive.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 3.3 (Low) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.6% (top 50%) |
| CISA exploited list | No |
| Weakness | CWE-20 |
| Published | 2018-01-12 |
| 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-2017-2158?
lhaplus: upgrade to newer than 1.7.3. Exact commands for each OS are on this page.
Is CVE-2017-2158 being exploited?
CVE-2017-2158 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-2017-2158 affect?
CVE-2017-2158 affects lhaplus. Severity is low (CVSS 3.3). Improper verification when expanding ZIP64 archives in Lhaplus versions 1.73 and earlier may lead to unintended contents to be extracted from a specially crafted ZIP64 archive.
How urgent is CVE-2017-2158?
Priority 24/100. No elevated risk signals yet.