CVE-2026-20345
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
A vulnerability in the GPT file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition or possibly other expanded impacts as a result of memory corruption on an affected device.
This vulnerability is due to improper handling of an endian conversion operation, which may result in an out-of-bounds buffer write. An attacker could exploit this vulnerability by submitting a crafted GPT file to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to cause the ClamAV scanning process to terminate, resulting in a DoS condition on the affected software.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| 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 | 1.10.2 | 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 | 1.7.0 | affected |
| Cisco | Cisco Secure Endpoint | 1.12.1 | affected |
| Cisco | Cisco Secure Endpoint | 1.12.6 | affected |
| Cisco | Cisco Secure Endpoint | 1.8.4 | affected |
| Cisco | Cisco Secure Endpoint | 1.11.0 | affected |
| Cisco | Cisco Secure Endpoint | 1.9.1 | affected |
| Cisco | Cisco Secure Endpoint | 1.12.5 | affected |
| Cisco | Cisco Secure Endpoint | 2.0.2 | affected |
| Cisco | Cisco Secure Endpoint | 1.1.0 | affected |
| Cisco | Cisco Secure Endpoint | 1.14.0 | affected |
| Cisco | Cisco Secure Endpoint | 2.4.0 | affected |
| Cisco | Cisco Secure Endpoint | 1.15.2 | affected |
| Cisco | Cisco Secure Endpoint | 1.16.0 | affected |
| Cisco | Cisco Secure Endpoint | 1.21.0 | affected |
| Cisco | Cisco Secure Endpoint | 1.22.2 | affected |
| Cisco | Cisco Secure Endpoint | 1.24.5 | affected |
| Cisco | Cisco Secure Endpoint | 1.19.0 | affected |
Weaknesses
- CWE-121: Stack-based Buffer Overflow
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: partial
References
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