CVE-2023-31102 | BDVDB-2026-215973 Detail

Description#

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

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: local.

No public exploit known

7.8 High

53.9%, High

Estimated chance of exploitation in the next 30 days. EPSS percentile: 99.0.

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Not classified

No specific action is recorded in the source data. Check the references for vendor guidance.

No version data in the source record.

Not available

7.8 High

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

Not available

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).