CVE-2023-31102

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

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

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-191

Affected software

No affected versions have been published.

Timeline

Published
Nov 3, 2023
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2023-31102: High severity, CVSS 7.8 | Vulnix