What is CVE-2004-1019?

CVE-2004-1019 is a vulnerability in Openpkg, classified under Improper Input Validation. Published 2005-01-10.

Is CVE-2004-1019 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Improper input validation in Openpkg

CVE-2004-1019

The deserialization code in PHP before 4.3.10 and PHP 5.x up to 5.0.2 allows remote attackers to cause a denial of service and execute arbitrary code via untrusted data to the unserialize function that may trigger "information disclosure, double-free and negative reference index array underflow" results.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2005-01-10 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 10.0 (High). Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.080 (94.6th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 94.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.080 · newest: 0.080 · change: 0.000

Affected products

Openpkg — versions 2.1, 2.2, current
PHP — versions 3.0, 3.0.1, 3.0.2
Trustix Secure Linux — versions 2.0, 2.1, 2.2
Ubuntu Linux — versions 4.1

Weakness classification (CWE)

CWE-20 — Improper Input Validation

Public proof-of-concept exploits

Alman368/MNDefender

References

www.redhat.com/support/errata/RHSA-2005-032.html (vendor-advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/18514 (vdb-entry)
lists.opensuse.org/opensuse-security-announce/2015-02/msg00029.html (vendor-advisory)
www.novell.com/linux/security/advisories/2005_02_php4_mod_php4.html (vendor-advisory)
www.php.net/release_4_3_10.php
lists.opensuse.org/opensuse-updates/2015-02/msg00079.html (vendor-advisory)
oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:10511 (signature, vdb-entry)
www.redhat.com/support/errata/RHSA-2005-816.html (vendor-advisory)
www.mandriva.com/security/advisories (vendor-advisory)
www.hardened-php.net/advisories/012004.txt

Frequently asked questions

What is CVE-2004-1019?: CVE-2004-1019 is a vulnerability in Openpkg, classified under Improper Input Validation. Published 2005-01-10.
Is CVE-2004-1019 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.