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Fencer Vulns
high 7.2

CVE-2002-0004 json

Heap corruption vulnerability in the "at" program allows local users to execute arbitrary code via a malformed execution time, which causes…

published 2002-02-27 24 y ago modified 2026-06-16 4 mo ago also EUVD-2002-0004

cvss
7.2
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 71%
public exploits
1
Exploit-DB

Summary

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.

Patch / fix

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2002-0004 updated

security flaw

  • Red Hat Linux 6.2 Red Hat Linux 7.0 Red Hat Linux 7.1 Red Hat Linux 7.2
    fixed: vendor fix RHSA-2002:015

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. First public exploit (EDB-21229)
  2. Published

Exploit prediction

1.34% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-21229 AT 3.1.8 - Formatted Time Heap Overflow local, 2002-01-16
  • securityfocus.com http://www.securityfocus.com/bid/3886 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 7.2 AV:L/AC:L/Au:N/C:C/I:C/A:C

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.