7.8

CVE-2022-47069: 7-zip p7zip Out-of-bounds Write

CVSS: 7.8v3.1HighModified
AliasesUBUNTU-CVE-2022-47069DEBIAN-CVE-2022-47069
Published 22-08-2023Last modified 20-11-2025

Vulnerability summary

CVE-2022-47069 is a high (CVSS 7.8) Out-of-bounds Write vulnerability in 7-zip p7zip. EPSS estimates a 0.32% chance of exploitation in the next 30 days, higher than 24% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
41/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.32%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 1 · Duplicates 1 · Related 1

Timeline

  1. 22-08-2023
    PublishedVulnerability first disclosed.
  2. 20-11-2025
    Last modifiedVulnerability information updated.

Description

p7zip 16.02 was discovered to contain a heap-buffer-overflow vulnerability via the function NArchive::NZip::CInArchive::FindCd(bool) at CPP/7zip/Archive/Zip/ZipIn.cpp. NOTE: the Supplier has found that this is not a buffer overflow; at most an out-of-bounds read can occur.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.32%

Chance of exploitation in the next 30 days

Percentile

24%

Versus all other CVEs

30-day change

0.00 pp

From 0.32% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.32%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (sourceforge.net)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

7-zip1 product
Debian1 product
  • p7zip< 16.02+really25.01+dfsg-0+deb12u1 | < 16.02+transitional.1
Ubuntu1 product
  • p7zipAll versions (No fix recorded)

3 vendors · 3 products

References

4 links