CVE-2023-43760
Last modified
CVE-2023-43760 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Certain WithSecure products allow Denial of Service via a fuzzed PE32 file. This affects WithSecure Client Security 15, WithSecure Server Security 15, WithSecure Email and Server Security 15, WithSecure Elements Endpoint Protection 17 and later, WithSecure Client Security for Mac 15, WithSecure Elements Endpoint Protection for Mac 17 and later, Linux Security 64 12.0 , Linux Protection 12.0, and WithSecure Atlant (formerly F-Secure Atlant) 1.0.35-1.. EPSS estimates a 0.53% chance of exploitation in the next 30 days.
Description
Certain WithSecure products allow Denial of Service via a fuzzed PE32 file. This affects WithSecure Client Security 15, WithSecure Server Security 15, WithSecure Email and Server Security 15, WithSecure Elements Endpoint Protection 17 and later, WithSecure Client Security for Mac 15, WithSecure Elements Endpoint Protection for Mac 17 and later, Linux Security 64 12.0 , Linux Protection 12.0, and WithSecure Atlant (formerly F-Secure Atlant) 1.0.35-1.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| F-Secure | Client Security | 15.00 |
| F-Secure | Elements Endpoint Protection | >= 17.0 |
| F-Secure | Email And Server Security | 15.00 |
| F-Secure | Server Security | 15.00 |
| F-Secure | Linux Protection | 12.0 |
| F-Secure | Linux Security 64 | 12.0 |
| F-Secure | Atlant | 1.0.35-1 |
References
- https://www.withsecure.com/en/support/security-advisoriesVendor Advisory
- https://www.withsecure.com/en/support/security-advisoriesVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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