CVE-2022-47111 json
7-Zip 22.01 does not report an error for certain invalid xz files, involving block flags and reserved bits.
published 2025-04-19 18 mo ago modified 2026-06-17 4 mo ago also EUVD-2022-49886
- cvss
- 2.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 15%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- p7zip Debian 13 16.02+transitional.1
debian advisories DEBIAN-CVE-2022-47111
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 18 mo ago
Exploit prediction
0.24% chance of exploitation in the next 30 days, higher than 15% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/boofish/semantic-bugs/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 2.5 | CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N |
| NVD | 3.1 | 3.3 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N |
Affected products
- 7-Zip 7-Zip
Classification
- Weakness
-
- CWE-754 Improper Check for Unusual or Exceptional Conditions
References
-
github.com
/boofish/semantic-bugs/
exploit, third-party-advisory
Sources
- CVE List CVE-2022-47111
- NVD CVE-2022-47111
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.