VDB
ALPINE-CVE-2021-1252
ALPINE-CVE-2021-1252
PUBLISHED
CVSS 7.5 HIGH
A vulnerability in the Excel XLM macro parsing module in Clam AntiVirus (ClamAV) Software versions 0.103.0 and 0.103.1 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to improper error handling that may result in an infinite loop. An attacker could exploit this vulnerability by sending a crafted Excel file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process hang, resulting in a denial of service condition.
Risk Scores
CVSS v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.13 | clamav | 0.100.1-r1, 0.100.1-r0, 0.100.0-r2 |
| Alpine:v3.12 | clamav | 0.100.0-r0, 0, 0.100.0-r1 |
| Alpine:v3.11 | clamav | 0, 0.99.4-r1, 0.99.4-r0 |
Timeline
- Apr 8, 2021 CVE Published
- Nov 19, 2025 CVE Updated
- Apr 30, 2026 Distribution Patch