SB20250620166 - Fedora 41 update for clamav

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Main Vulnerability Database SB20250620166

SB20250620166 - Fedora 41 update for clamav

Published: June 20, 2025

Security Bulletin ID SB20250620166
CSH Severity
Critical
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Critical 50% High 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Out-of-bounds read (CVE-ID: CVE-2025-20234)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to gain access to perform a denial of service attack.

The vulnerability exists due to a boundary condition when handling UDF files. A remote attacker can pass a specially crafted UDF file to the application, trigger an out-of-bounds read error and read contents of memory on the system or perform a denial of service (DoS) attack.


2) Out-of-bounds write (CVE-ID: CVE-2025-20260)

CWE-ID: CWE-787 - Out-of-bounds write

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Red


The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing PDF files. A remote attacker can pass a specially crafted PDF file to the application, trigger an out-of-bounds write and execute arbitrary code on the target system.


Remediation

Install update from vendor's website.

References