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CVE-2024-20505

ClamAV Memory Handling DoS

Published: Sep 4, 2024Updated: Nov 3, 2025 Sources: CVE List NVD BDUCWE-125
NVD MITRE
4.0CVSSMEDIUM
EPSS Score
0.6%
Top 58.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

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.

CVSS Vector Breakdown

AV:LAC:LPR:NUI:NS:UC:NI:NA:L
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:LAvailability
Low
Open in CVSS calculator →

Weaknesses

CWE-125

Affected Products

ClamAVCiscoSecurity Products / vuln-mgmt-scanner
clamavclamav
On-premSecurity Product
Security Products / vuln-mgmt-scanner
Альт 8 СПАО «ИВК»
On-premOS
Operating Systems / linux-distro
АЛЬТ СП 10АО «ИВК»
On-premOS
Operating Systems / linux-distro
Clam AntivirusThe ClamAV Team
On-prem
Security Products / endpoint-av-edr
ciscocommercialUSNetworking Infrastructureaka cisco systems, cisco systems inc.
clamavoss-projectSecurity Productsaka clambc, clamav
ао «ивк»commercialRUOperating Systemsaka ivk
the clamav teamoss-projectSecurity Productsaka clam antivirus, clamav

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://blog.clamav.net/2024/09/clamav-141-132-107-and-010312-security.html
blog.clamav.net
https://lists.debian.org/debian-lts-announce/2024/12/msg00004.html
lists.debian.org
https://www.cybersecurity-help.cz/vdb/SB2024090511
cybersecurity-help.cz
and 1 more references View all →

Timeline

Published
Sep 4, 2024
Last Updated
Nov 3, 2025

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