CVE-2025-20234
highPriorität · verfolgen · 30EPSS 0.008 · 57. PerzentilDEEURUUSEPSS · bewertet 2026-10-27
A vulnerability in Universal Disk Format (UDF) processing of ClamAV could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to a memory overread during UDF file scanning. An attacker could exploit this vulnerability by submitting a crafted file containing UDF content to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to terminate the ClamAV scanning process, resulting in a DoS condition on the affected software. For a description of this vulnerability, see the .
Behebungen
Hersteller-Fix, Mitigation oder Workaround, wie von den Quellen veröffentlicht.
Ein Hersteller-Fix ist verfügbar.
- BehobenCisco Secure Endpointcisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
cvss
Technischer Schweregrad, 0–10. Eine Zeile je Quelle.
Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen⚠ Quellen uneinig · medium–high · 5.3–7.5
SSVC
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schwächen
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betroffene Produkte (100)
Betroffene Produkte und Versionsbereiche.
Advisories (2)
Hersteller- und Ökosystem-Meldungen dazu.
- WID-SEC-W-2025-1362ClamAV: Mehrere Schwachstellen ermöglichen Denial of ServiceDeutsch2025-06-19csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in ClamAV ausnutzen, um einen Denial of Service Angriff durchzuführen.
- cisco-sa-clamav-udf-hmwd9nDyClamAV UDF File Parsing Out-of-Bounds Read Information Disclosure Vulnerability2025-06-18csaf · cisco_csafUS
A vulnerability in Universal Disk Format (UDF) processing of ClamAV could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to a memory overread during UDF file scanning. An attacker could exploit this vulnerability by submitting a crafted file containing UDF content to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to terminate the ClamAV scanning process, resulting in a DoS condition on the affected software. For a description of this vulnerability, see the ClamAV blog ["https://blog.clamav.net/2025/06/clamav-143-and-109-security-patch.html"]. Cisco has released software updates that address this vulnerability. There are workarounds that address this vulnerability.
auch bekannt als (4)
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quellen
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Referenzen (8)
Externe Belege — Patches, Meldungen, Analysen.
- https://access.redhat.com/security/cve/cve-2025-20234cnnvd
- https://blog.clamav.net/2025/06/clamav-143-and-109-security-patch.htmlcnnvd
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-udf-hmwd9nDycnnvd
- https://vigilance.fr/vulnerability/ClamAV-out-of-bounds-memory-reading-via-UDF-File-Parser-47473cnnvd
- https://blog.clamav.net/2025/06/clamav-143-and-109-security-patch.htmlenisa_euvd
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-udf-hmwd9nDyenisa_euvd
- https://blog.clamav.net/2025/06/clamav-143-and-109-security-patch.htmlVendor Advisorynvd
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-udf-hmwd9nDyThird Party Advisorynvd
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