ClamAV Memory Handling DoS
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-125 and the CVSS impact.
Summary
A vulnerability in the PDF parsing module of Clam AntiVirus (ClamAV) versions 1.4.0, 1.3.2 and prior versions, all 1.2.x versions, 1.0.6 and prior versions, all 0.105.x versions, all 0.104.x versions, and 0.103.11 and all prior versions could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to an out of bounds read. An attacker could exploit this vulnerability by submitting a crafted PDF file to be scanned by ClamAV on an affected device. An exploit could allow the attacker to terminate the scanning process.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Cisco | ClamAV | 1.4.0; 1.3.2; 1.0.6; 1.0.5; 1.0.4; 1.0.3; 1.0.2; 1.0.1; 1.0.0; 1.2.x; 0.105.x; 0.104.x; 0.103.11; 0.103.10; 0.103.9; 0.103.8; 0.103.7; 0.103.6; 0.103.5; 0.103.4; 0.103.3; 0.103.2; 0.103.1; 0.103.0 | — | No fix listed | CNA |
- ClamAV VendorCisco Affected 1.4.0; 1.3.2; 1.0.6; 1.0.5; 1.0.4; 1.0.3; 1.0.2; 1.0.1; 1.0.0; 1.2.x; 0.105.x; 0.104.x; 0.103.11; 0.103.10; 0.103.9; 0.103.8; 0.103.7; 0.103.6; 0.103.5; 0.103.4; 0.103.3; 0.103.2; 0.103.1; 0.103.0 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2024-20505
- 2026-10-03 Alias added: GHSA-6qcx-p3rr-pfwf
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Sources
- CVE-2024-20505 · CVE Program
- CVE-2024-20505 · NVD
- FIRST EPSS
- GHSA-6qcx-p3rr-pfwf · GitHub Advisory Database · CC BY 4.0
- CVE-2024-20505 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences