CVE-2002-0004

7.2 HIGH 1% exploit odds Fix listed

What it is

Heap corruption vulnerability in the "at" program allows local users to execute arbitrary code via a malformed execution time, which causes at to free the same memory twice.

At a glance

Exploitability: Can be exploited locally on the machine without logging in. High risk of data exposure, data tampering, service disruption.
Exploit odds: 1.3% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2002-02-27 05:00 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 21:56 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 1.3% in the next 30 days (EPSS).
Severity: 7.2 HIGH (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2002-02-27 05:00 UTC
Last modified: 2026-06-16 21:56 UTC
Exploit probability: 1.3% · EPSS, next 30 days
Record status: Modified

Affected

Caldera Openlinux Server 3.1
Caldera Openlinux Workstation 3.1
Debian Linux 2.2
Freebsd 4.1.1
Freebsd 4.2
Freebsd 4.3
Freebsd 4.4
Mandrakesoft Mandrake Linux 8.0

Attack profile CVSS 2.0 · 7.2

Attack vector: Local
Complexity: Low
Authentication: None
Confidentiality: Complete
Integrity: Complete
Availability: Complete

Raw vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2002-0004.md and follow it. Check whether this project is affected by CVE-2002-0004. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

· More options · Status badge

Download Square Reddit

Fix and advisories

References

NVD record · CVE.org record