7.5

CVE-2024-20505: cisco clamav Out-of-bounds Read

CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2024-20505DEBIAN-CVE-2024-20505CGA-h3m6-28h5-w874
Published 04-09-2024Last modified 03-11-2025
Open JSON

Vulnerability summary

CVE-2024-20505 is a high (CVSS 7.5) Out-of-bounds Read vulnerability in cisco clamav. EPSS estimates a 0.56% chance of exploitation in the next 30 days, higher than 45.1% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
0.56%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 11 · Related 13
DLA-3983-1MGASA-2024-0307OPENSUSE-SU-2024:14596-1SUSE-SU-2024:3228-1SUSE-SU-2024:3305-1SUSE-SU-2024:3306-1

Timeline

  1. 04-09-2024
    PublishedVulnerability first disclosed.
  2. 03-11-2025
    Last modifiedVulnerability information updated.

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 metrics

6 scores · 6 sources · 1 version

EPSS trend

Probability

0.56%

Chance of exploitation in the next 30 days

Percentile

45%

Versus all other CVEs

30-day change

0.00 pp

From 0.56% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.56%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Chainguard1 product
  • clamav-1.4< 1.4.1-r0
Cisco1 product
  • clamavEOL1.4.0 | 1.3.2 | 1.0.6 | 1.0.5 | 1.0.4 | 1.0.3 | 1.0.2 | 1.0.1 | 1.0.0 | ≥ 1.2.0, < 1.3.0 | ≥ 0.105.0, < 0.106.0 | ≥ 0.104.0, < 0.105.0 | 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
Clamav1 product
  • clamav< 0.103.12 | ≥ 0.104.0, < 1.0.7 | ≥ 1.2.0, < 1.3.2 | 1.4.0
Debian1 product
  • clamav< 1.0.7+dfsg-1~deb12u1 | < 1.4.1+dfsg-1
Ubuntu1 product
  • clamavAll versions (No fix recorded) | < 0.103.12+dfsg-0ubuntu0.16.04.1+esm1 | < 0.103.12+dfsg-0ubuntu0.18.04.1+esm1 | < 0.103.12+dfsg-0ubuntu0.20.04.1 | < 0.103.12+dfsg-0ubuntu0.22.04.1 | < 1.0.7+dfsg-0ubuntu0.24.04.1
Wolfi1 product
  • clamav-1.4< 1.4.1-r0

6 vendors · 6 products

References

8 links