Integer Underflow Affecting 7zip package, versions *


Severity

Recommended
low

Based on Debian security rating

    Threat Intelligence

    EPSS
    0.05% (19th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk ID SNYK-DEBIAN12-7ZIP-5864891
  • published 30 Aug 2023
  • disclosed 3 Nov 2023

How to fix?

There is no fixed version for Debian:12 7zip.

NVD Description

Note: Versions mentioned in the description apply only to the upstream 7zip package and not the 7zip package as distributed by Debian. See How to fix? for Debian:12 relevant fixed versions and status.

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

CVSS Scores

version 3.1
Expand this section

NVD

7.8 high
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    Required
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High