CVE-2026-20031
5.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Summary
A vulnerability in the HTML Cascading Style Sheets (CSS) module 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 improper error handling when splitting UTF-8 strings. An attacker could exploit this vulnerability by submitting a crafted HTML file to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to terminate the scanning process.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Cisco | Cisco Secure Endpoint | 7.0.5 | affected |
| Cisco | Cisco Secure Endpoint | 6.2.19 | affected |
| Cisco | Cisco Secure Endpoint | 7.3.3 | affected |
| Cisco | Cisco Secure Endpoint | 7.2.13 | affected |
| Cisco | Cisco Secure Endpoint | 6.1.5 | affected |
| Cisco | Cisco Secure Endpoint | 6.3.1 | affected |
| Cisco | Cisco Secure Endpoint | 6.2.5 | affected |
| Cisco | Cisco Secure Endpoint | 7.3.5 | affected |
| Cisco | Cisco Secure Endpoint | 6.2.1 | affected |
| Cisco | Cisco Secure Endpoint | 7.2.7 | affected |
| Cisco | Cisco Secure Endpoint | 7.1.1 | affected |
| Cisco | Cisco Secure Endpoint | 6.3.5 | affected |
| Cisco | Cisco Secure Endpoint | 6.2.9 | affected |
| Cisco | Cisco Secure Endpoint | 7.3.1 | affected |
| Cisco | Cisco Secure Endpoint | 6.1.7 | affected |
| Cisco | Cisco Secure Endpoint | 7.2.11 | affected |
| Cisco | Cisco Secure Endpoint | 7.2.3 | affected |
| Cisco | Cisco Secure Endpoint | 7.1.5 | affected |
| Cisco | Cisco Secure Endpoint | 6.3.3 | affected |
| Cisco | Cisco Secure Endpoint | 7.3.9 | affected |
| Cisco | Cisco Secure Endpoint | 6.2.3 | affected |
| Cisco | Cisco Secure Endpoint | 6.1.9 | affected |
| Cisco | Cisco Secure Endpoint | 6.0.9 | affected |
| Cisco | Cisco Secure Endpoint | 7.2.5 | affected |
| Cisco | Cisco Secure Endpoint | 6.0.7 | affected |
| Cisco | Cisco Secure Endpoint | 6.3.7 | affected |
| Cisco | Cisco Secure Endpoint | 1.12.3 | affected |
| Cisco | Cisco Secure Endpoint | 1.8.0 | affected |
| Cisco | Cisco Secure Endpoint | 1.11.1 | affected |
| Cisco | Cisco Secure Endpoint | 1.12.4 | affected |
| Cisco | Cisco Secure Endpoint | 1.10.0 | affected |
| Cisco | Cisco Secure Endpoint | 1.12.0 | affected |
| Cisco | Cisco Secure Endpoint | 1.8.1 | affected |
| Cisco | Cisco Secure Endpoint | 1.10.1 | affected |
| Cisco | Cisco Secure Endpoint | 1.12.1 | affected |
| Cisco | Cisco Secure Endpoint | 1.12.6 | affected |
| Cisco | Cisco Secure Endpoint | 1.14.0 | affected |
| Cisco | Cisco Secure Endpoint | 1.10.2 | affected |
| Cisco | Cisco Secure Endpoint | 1.12.7 | affected |
| Cisco | Cisco Secure Endpoint | 1.12.2 | affected |
| Cisco | Cisco Secure Endpoint | 1.6.0 | affected |
| Cisco | Cisco Secure Endpoint | 1.9.0 | affected |
| Cisco | Cisco Secure Endpoint | 1.11.0 | affected |
| Cisco | Cisco Secure Endpoint | 1.7.0 | affected |
| Cisco | Cisco Secure Endpoint | 1.13.0 | affected |
| Cisco | Cisco Secure Endpoint | 1.8.4 | affected |
| Cisco | Cisco Secure Endpoint | 1.13.1 | affected |
| Cisco | Cisco Secure Endpoint | 1.9.1 | affected |
| Cisco | Cisco Secure Endpoint | 1.12.5 | affected |
| Cisco | Cisco Secure Endpoint | 1.13.2 | affected |
| Cisco | Cisco Secure Endpoint | 2.0.2 | affected |
| Cisco | Cisco Secure Endpoint | 1.1.0 | affected |
| Cisco | Cisco Secure Endpoint | 2.0.0 | affected |
| Cisco | Cisco Secure Endpoint | 2.0.1 | affected |
| Cisco | Cisco Secure Endpoint | 8.1.7.21512 | affected |
| Cisco | Cisco Secure Endpoint | 8.1.7 | affected |
| Cisco | Cisco Secure Endpoint | 8.1.5 | affected |
| Cisco | Cisco Secure Endpoint | 8.1.3.21242 | affected |
| Cisco | Cisco Secure Endpoint | 8.1.3 | affected |
| Cisco | Cisco Secure Endpoint | 8.1.5.21322 | affected |
| Cisco | Cisco Secure Endpoint | 8.1.7.21417 | affected |
| Cisco | Cisco Secure Endpoint | 2.1.0.14 | affected |
| Cisco | Cisco Secure Endpoint | 2.2.0 | affected |
| Cisco | Cisco Secure Endpoint | 2.3.0 | affected |
| Cisco | Cisco Secure Endpoint | 2.4.0 | affected |
| Cisco | Cisco Secure Endpoint | 2.5.0 | affected |
| Cisco | Cisco Secure Endpoint | 2.6.0 | affected |
| Cisco | Cisco Secure Endpoint | 2.7.0 | affected |
| Cisco | Cisco Secure Endpoint | 2.8.0 | affected |
| Cisco | Cisco Secure Endpoint | 2.9.0 | affected |
| Cisco | Cisco Secure Endpoint | 2.10.0 | affected |
| Cisco | Cisco Secure Endpoint | 2.10.1 | affected |
| Cisco | Cisco Secure Endpoint | 2.11.0 | affected |
| Cisco | Cisco Secure Endpoint | 1.14.1 | affected |
| Cisco | Cisco Secure Endpoint | 1.15.1 | affected |
| Cisco | Cisco Secure Endpoint | 1.15.2 | affected |
| Cisco | Cisco Secure Endpoint | 1.15.3 | affected |
| Cisco | Cisco Secure Endpoint | 1.15.4 | affected |
| Cisco | Cisco Secure Endpoint | 1.15.5 | affected |
| Cisco | Cisco Secure Endpoint | 1.15.6 | affected |
| Cisco | Cisco Secure Endpoint | 1.16.0 | affected |
| Cisco | Cisco Secure Endpoint | 1.16.1 | affected |
| Cisco | Cisco Secure Endpoint | 1.16.2 | affected |
| Cisco | Cisco Secure Endpoint | 1.16.3 | affected |
| Cisco | Cisco Secure Endpoint | 1.18.0 | affected |
| Cisco | Cisco Secure Endpoint | 1.18.1 | affected |
| Cisco | Cisco Secure Endpoint | 1.20.0 | affected |
| Cisco | Cisco Secure Endpoint | 1.21.0 | affected |
| Cisco | Cisco Secure Endpoint | 1.21.1 | affected |
| Cisco | Cisco Secure Endpoint | 1.21.2 | affected |
| Cisco | Cisco Secure Endpoint | 1.21.3 | affected |
| Cisco | Cisco Secure Endpoint | 1.22.0 | affected |
| Cisco | Cisco Secure Endpoint | 1.22.1 | affected |
| Cisco | Cisco Secure Endpoint | 1.22.2 | affected |
| Cisco | Cisco Secure Endpoint | 1.22.3 | affected |
| Cisco | Cisco Secure Endpoint | 1.22.4 | affected |
| Cisco | Cisco Secure Endpoint | 1.24.0 | affected |
| Cisco | Cisco Secure Endpoint | 1.24.1 | affected |
| Cisco | Cisco Secure Endpoint | 1.24.2 | affected |
| Cisco | Cisco Secure Endpoint | 1.24.3 | affected |
| Cisco | Cisco Secure Endpoint | 1.24.4 | affected |
| Cisco | Cisco Secure Endpoint | 1.26.0 | affected |
| Cisco | Cisco Secure Endpoint | 1.24.5 | affected |
| Cisco | Cisco Secure Endpoint | 1.26.1 | affected |
| Cisco | Cisco Secure Endpoint | 1.27.0 | affected |
| Cisco | Cisco Secure Endpoint | 1.15.0 | affected |
| Cisco | Cisco Secure Endpoint | 1.17.0 | affected |
| Cisco | Cisco Secure Endpoint | 1.17.1 | affected |
| Cisco | Cisco Secure Endpoint | 1.17.2 | affected |
| Cisco | Cisco Secure Endpoint | 1.19.0 | affected |
| Cisco | Cisco Secure Endpoint | 1.20.1 | affected |
| Cisco | Cisco Secure Endpoint | 1.20.2 | affected |
| Cisco | Cisco Secure Endpoint | 1.20.3 | affected |
| Cisco | Cisco Secure Endpoint | 1.20.4 | affected |
| Cisco | Cisco Secure Endpoint | 1.20.5 | affected |
| Cisco | Cisco Secure Endpoint | 1.20.6 | affected |
| Cisco | Cisco Secure Endpoint | 1.23.0 | affected |
| Cisco | Cisco Secure Endpoint | 1.23.1 | affected |
| Cisco | Cisco Secure Endpoint | 1.20.7 | affected |
| Cisco | Cisco Secure Endpoint | 1.20.8 | affected |
| Cisco | Cisco Secure Endpoint | 1.25.0 | affected |
| Cisco | Cisco Secure Endpoint | 1.25.1 | affected |
| Cisco | Cisco Secure Endpoint | 1.25.2 | affected |
| Cisco | Cisco Secure Endpoint | 1.27.1 | affected |
| Cisco | Cisco Secure Endpoint | 1.27.2 | affected |
| Cisco | Cisco Secure Endpoint | 7.3.13 | affected |
| Cisco | Cisco Secure Endpoint | 7.3.15 | affected |
| Cisco | Cisco Secure Endpoint | 7.4.1 | affected |
| Cisco | Cisco Secure Endpoint | 7.4.1.20425 | affected |
| Cisco | Cisco Secure Endpoint | 7.4.1.20439 | affected |
| Cisco | Cisco Secure Endpoint | 7.4.3 | affected |
| Cisco | Cisco Secure Endpoint | 7.4.3.20679 | affected |
| Cisco | Cisco Secure Endpoint | 7.4.5 | affected |
| Cisco | Cisco Secure Endpoint | 7.5.1.20813 | affected |
| Cisco | Cisco Secure Endpoint | 7.5.1.20833 | affected |
| Cisco | Cisco Secure Endpoint | 7.5.3 | affected |
| Cisco | Cisco Secure Endpoint | 7.5.5 | affected |
| Cisco | Cisco Secure Endpoint | 8.0.1.21160 | affected |
| Cisco | Cisco Secure Endpoint | 8.0.1.21164 | affected |
| Cisco | Cisco Secure Endpoint | 7.5.7 | affected |
| Cisco | Cisco Secure Endpoint | 7.5.9 | affected |
| Cisco | Cisco Secure Endpoint | 7.5.11 | affected |
| Cisco | Cisco Secure Endpoint | 8.1.7.21585 | affected |
| Cisco | Cisco Secure Endpoint | 7.5.13.21586 | affected |
| Cisco | Cisco Secure Endpoint | 7.5.13.21598 | affected |
| Cisco | Cisco Secure Endpoint | 8.2.1.21612 | affected |
| Cisco | Cisco Secure Endpoint | 8.2.1.21650 | affected |
| Cisco | Cisco Secure Endpoint | 7.5.15.21611 | affected |
| Cisco | Cisco Secure Endpoint | 7.5.17.21680 | affected |
| Cisco | Cisco Secure Endpoint | 8.2.3.30119 | affected |
| Cisco | Cisco Secure Endpoint | 8.2.4.30130 | affected |
| Cisco | Cisco Secure Endpoint | 8.4.0 | affected |
| Cisco | Cisco Secure Endpoint | 7.5.19 | affected |
| Cisco | Cisco Secure Endpoint | 8.4.1.30298 | affected |
| Cisco | Cisco Secure Endpoint | 8.4.2.30317 | affected |
| Cisco | Cisco Secure Endpoint | 8.4.1.30307 | affected |
| Cisco | Cisco Secure Endpoint | 7.5.20 | affected |
| Cisco | Cisco Secure Endpoint | 8.4.3 | affected |
| Cisco | Cisco Secure Endpoint | 8.4.4.30419 | affected |
| Cisco | Cisco Secure Endpoint | 8.4.4.30467 | affected |
| Cisco | Cisco Secure Endpoint | 7.5.21.21732 | affected |
| Cisco | Cisco Secure Endpoint | 8.4.5.30483 | affected |
Weaknesses
- CWE-248: Uncaught Exception
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: partial
References
Feedback
Was this page helpful?
Glad to hear it! Please tell us how we can improve.
Sorry to hear that. Please tell us how we can improve.