Medium severity5.3NVD Advisory· Published Jun 18, 2025· Updated Jun 17, 2026
CVE-2025-20234
CVE-2025-20234
Description
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 .
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
28cpe:2.3:a:cisco:secure_endpoint:*:*:*:*:*:linux:*:*+ 3 more
- cpe:2.3:a:cisco:secure_endpoint:*:*:*:*:*:linux:*:*range: <1.26.1
- cpe:2.3:a:cisco:secure_endpoint:*:*:*:*:*:macos:*:*range: <1.26.1
- cpe:2.3:a:cisco:secure_endpoint:*:*:*:*:*:windows:*:*range: <7.5.21
- (no CPE)range: 7.0.5
- cpe:2.3:a:cisco:secure_endpoint_private_cloud:*:*:*:*:*:*:*:*Range: <4.2.2
- osv-coords21 versionspkg:rpm/opensuse/clamav&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/clamav&distro=openSUSE%20Tumbleweedpkg:rpm/suse/clamav&distro=SUSE%20Enterprise%20Storage%207.1pkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSSpkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOSpkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSSpkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOSpkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSSpkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20Micro%205.5pkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5-LTSSpkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSSpkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20Server%20LTSS%20Extended%20Security%2012%20SP5pkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3pkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4pkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5pkg:rpm/suse/clamav&distro=SUSE%20Manager%20Proxy%204.3pkg:rpm/suse/clamav&distro=SUSE%20Manager%20Server%204.3
< 1.4.3-150600.18.18.1+ 20 more
- (no CPE)range: < 1.4.3-150600.18.18.1
- (no CPE)range: < 1.4.3-1.1
- (no CPE)range: < 1.4.3-150200.8.14.1
- (no CPE)range: < 1.4.3-150200.8.14.1
- (no CPE)range: < 1.4.3-150200.8.14.1
- (no CPE)range: < 1.4.3-150200.8.14.1
- (no CPE)range: < 1.4.3-150200.8.14.1
- (no CPE)range: < 1.4.3-150200.8.14.1
- (no CPE)range: < 1.4.3-150200.8.14.1
- (no CPE)range: < 1.4.3-150600.18.18.1
- (no CPE)range: < 1.4.3-150600.18.18.1
- (no CPE)range: < 1.4.3-3.47.1
- (no CPE)range: < 1.4.3-150200.8.14.1
- (no CPE)range: < 1.4.3-150200.8.14.1
- (no CPE)range: < 1.4.3-150200.8.14.1
- (no CPE)range: < 1.4.3-3.47.1
- (no CPE)range: < 1.4.3-150200.8.14.1
- (no CPE)range: < 1.4.3-150200.8.14.1
- (no CPE)range: < 1.4.3-150200.8.14.1
- (no CPE)range: < 1.4.3-150200.8.14.1
- (no CPE)range: < 1.4.3-150200.8.14.1
Patches
Vulnerability mechanics
References
2- blog.clamav.net/2025/06/clamav-143-and-109-security-patch.htmlnvdVendor Advisory
- sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-udf-hmwd9nDynvdThird Party Advisory
News mentions
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