Vulnerability in 7-Zip

CVE-2022-47111

7-Zip 22.01 does not report an error for certain invalid xz files, involving block flags and reserved bits. Some later versions are unaffected.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 2.5 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (13.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 13.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2022-47111: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-47111?
CVE-2022-47111 is a low-severity vulnerability in 7-Zip, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 2.5/10. Published 2025-04-19.
How severe is CVE-2022-47111?
Low severity. CVSS v3 base score is 2.5 out of 10.
Is CVE-2022-47111 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.