Name: CVE-2023-31102: Integer Underflow (Wrap or Wraparound)
Creator: Rapid7
Published: 2023-11-03T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2023-31102, CWE-191, CVSS 7.8, EPSS 0.55211

Ppmd7.c in 7-Zip before 23.00 allows an integer underflow and invalid read operation via a crafted 7Z archive.

CVSS Details

CVSS 3.1 Base Score: 7.8
CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
7 Zip	—	—	Sep 15, 2023	Aug 23, 2023
7 Zip 7 Zip	—	Upgrade 7-Zip to the latest version	Jul 26, 2024	Nov 3, 2023
Debian	—	Upgrade p7zipUpgrade 7zip	May 15, 2025	Nov 3, 2023

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CVSS Details

Covered by Rapid7

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