CVEvulnerability
CVE-2022-20803
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2023-02-17
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.6 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-415
Description
A vulnerability in the OLE2 file parser of Clam AntiVirus (ClamAV) versions 0.104.0 through 0.104.2 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device.The vulnerability is due to incorrect use of the realloc function that may result in a double-free. An attacker could exploit this vulnerability by submitting a crafted OLE2 file to be scanned by ClamAV on the affected device. An exploit could allow the attacker to cause the ClamAV scanning process to crash, resulting in a denial of service condition.
Affected configurations
• clamav clamav (>= 0.104.0 < 0.104.3)
Related
Weakness · CWE (1)
- CWE-415 Double Free weakness
References
- https://blog.clamav.net/2022/05/clamav-01050-01043-01036-released.html Release Notes
- https://security.gentoo.org/glsa/202310-01 security.gentoo.org
- https://blog.clamav.net/2022/05/clamav-01050-01043-01036-released.html Release Notes
- https://security.gentoo.org/glsa/202310-01 security.gentoo.org