Integer Underflow and Invalid Read Vulnerability in Ppmd7.c of 7-Zip

Integer Underflow and Invalid Read Vulnerability in Ppmd7.c of 7-Zip

CVE-2023-31102 · HIGH Severity

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

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

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