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.

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.

EPSS: 0.002 (14.3th percentile) — read the EPSS interpretation.

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.

Affected products

7-zip — versions 22.01

Weakness classification (CWE)

CWE-754 — Improper Check for Unusual or Exceptional Conditions

Public proof-of-concept exploits

boofish/semantic-bugs

References

cve@mitre.org (Exploit, Third Party Advisory)

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.