CVE-2004-0594
The memory_limit functionality in PHP 4.x up to 4.3.7, and 5.x up to 5.0.0RC3, under certain conditions such as when register_globals is…
- 5.1MediumCVSS base score
- 54.9%Exploitation in 30 daysEPSS · top 1.0% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
Description
The memory_limit functionality in PHP 4.x up to 4.3.7, and 5.x up to 5.0.0RC3, under certain conditions such as when register_globals is enabled, allows remote attackers to execute arbitrary code by triggering a memory_limit abort during execution of the zend_hash_init function and overwriting a HashTable destructor pointer before the initialization of key data structures is complete.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list an Exploit-DB entry for it.
Show the exploits1
Exploit-DB1 entry
- PHP 4.3.7/5.0.0RC3 - 'memory_limit' Remote Overflow (Exploit-DB entry) (opens in a new tab)
EDB-ID 660remote, linuxpublished 27 Nov 2004Verified
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By mitre
- 23 days later
· 23 days later
Published
- 20 years later
· 20 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.1 | AV:N/AC:H/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 54.9% · top 1.0% of all CVEs (9 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.1.
Affected products
n/a
- affected n/a
References
19
- 2004-0039 (opens in a new tab)vendor-advisoryx_refsource_TRUSTIXx_transferred
- 20040714 Advisory 11/2004: PHP memory_limit remote vulnerability (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
- CLA-2004:847 (opens in a new tab)vendor-advisoryx_refsource_CONECTIVAx_transferred
- 20040714 TSSA-2004-013 - php (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- DSA-669 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- RHSA-2004:395 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2004:405 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- oval:org.mitre.oval:def:10896 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- RHSA-2004:392 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- DSA-531 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- SUSE-SA:2004:021 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- MDKSA-2004:068 (opens in a new tab)vendor-advisoryx_refsource_MANDRAKEx_transferred
- RHSA-2005:816 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- SSRT4777 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
- php-memorylimit-code-execution(16693) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 20040722 [OpenPKG-SA-2004.034] OpenPKG Security Advisory (php) (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 10725 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 20040713 Advisory 11/2004: PHP memory_limit remote vulnerability (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- GLSA-200407-13 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2004-0593 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2004-0594)Record last updated .