vulnerability
7-Zip: CVE-2023-31102: Integer Underflow (Wrap or Wraparound)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:M/Au:N/C:C/I:C/A:C) | Nov 3, 2023 | Jul 26, 2024 | Oct 30, 2025 |
Severity
7
CVSS
(AV:L/AC:M/Au:N/C:C/I:C/A:C)
Published
Nov 3, 2023
Added
Jul 26, 2024
Modified
Oct 30, 2025
Description
Ppmd7.c in 7-Zip before 23.00 allows an integer underflow and invalid read operation via a crafted 7Z archive.
Solution
7-zip-7-zip-upgrade-latest
References
- CWE-191
- CVE-2023-31102
- https://attackerkb.com/topics/CVE-2023-31102
- URL-https://ds-security.com/post/integer-overflow-in-7-zip-cve-2023-31102/
- URL-https://security.netapp.com/advisory/ntap-20231110-0007/
- URL-https://sourceforge.net/p/sevenzip/discussion/45797/thread/713c8a8269/
- URL-https://www.7-zip.org/download.html
- URL-https://www.zerodayinitiative.com/advisories/ZDI-23-1165/
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