PT-2025-26177 · Clamav+4 · Clamav+4

Volticks · Published 2025-01-01 · Updated 2025-08-11 · CVE-2025-20234

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions ClamAV (affected versions not specified)

Description A vulnerability in Universal Disk Format (UDF) processing could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This issue is due to a memory overread during UDF file scanning. An attacker could exploit this by submitting a crafted file containing UDF content to be scanned by ClamAV. A successful exploit could allow the attacker to terminate the ClamAV scanning process, resulting in a DoS condition.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

BDU:2025-08727

CVE-2025-20234

OPENSUSE-SU-2025:15211-1

SUSE-SU-2025:02119-1

SUSE-SU-2025:02200-1

SUSE-SU-2025:02201-1

SUSE-SU-2025_02119-1

SUSE-SU-2025_02200-1

SUSE-SU-2025_02201-1

USN-7615-1

USN-7615-2

ZDI-25-417

Affected Products

Clamav

Debian

Linuxmint

Suse

Ubuntu

References · 39

• https://osv.dev/vulnerability/SUSE-SU-2025:02201-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:02200-1 · Vendor Advisory
• https://osv.dev/vulnerability/USN-7615-2 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-25-417 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2025:02119-1 · Vendor Advisory
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-udf-hmwd9nDy · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-20260 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-20234 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-08727 · Security Note
• https://osv.dev/vulnerability/CVE-2025-20234 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2025:15211-1 · Vendor Advisory
• https://blog.clamav.net/2025/06/clamav-143-and-109-security-patch.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-20234 · Security Note
• https://cve.org/CVERecord?id=CVE-2025-20234 · Security Note
• https://osv.dev/vulnerability/USN-7615-1 · Vendor Advisory