QwikSec

Security Database

CVE

CWE

Training

CVE Database
/

CVE-2025-48172

Back to search

CVE-2025-48172

Published: Jul 4, 2025

Modified: Jul 8, 2025

PUBLISHED

CVSS v3.1

5.6

MEDIUM

Description

CHMLib through 2bef8d0, as used in SumatraPDF and other products, has a chm_lib.c _chm_decompress_block integer overflow. There is a resultant heap-based buffer overflow in _chm_fetch_bytes.

VendorProductVersions

CHMLib

CHMLib

affected
0 - <= 2bef8d063ec7d88a8de6fd9f0513ea42ac0fa21f

Weaknesses (CWE)

CWE-190

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Local

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

Low

References

Security Training

Train your team to recognize and prevent security threats with our comprehensive security awareness program.

Start Training

Vulnerability Scanning

Discover vulnerabilities in your applications and infrastructure before attackers do.

Scan Now