CVE-2007-0988: n/a vulnerability

CVE-2007-0988: The zend_hash_init function in PHP 5 before 5.2.1 and PHP 4 before 4.4.5, when running on a 64-bit platform...

The zend_hash_init function in PHP 5 before 5.2.1 and PHP 4 before 4.4.5, when running on a 64-bit platform, allows context-dependent attackers to cause a denial of service (infinite loop) by unserializing certain integer expressions, which only cause 32-bit arguments to be used after the check for a negative value, as demonstrated by an "a:2147483649:{" argument.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 7, 2024, 12:43 UTC (UTC+00:00)

Security readout for executives and security teams

This is an old PHP denial-of-service issue. On 64-bit systems, vulnerable PHP versions can enter an infinite loop while processing specially crafted serialized data. The main business risk is service disruption for legacy applications still running PHP 4 or early PHP 5. Exposure is most likely in legacy 64-bit servers running PHP 4 before 4.4.5 or PHP 5 before 5.2.1, especially where applications pass untrusted serialized input to PHP unserialization paths. Treat as a legacy-service resilience issue. Prioritize remediation if any internet-facing or business-critical systems still run affected PHP versions; otherwise track during legacy platform retirement. Mitigation focus: Inventory PHP versions on all 64-bit legacy hosts.; Upgrade PHP 5 to 5.2.1 or later where applicable.; Upgrade PHP 4 to 4.4.5 or later where applicable..

Prepared: Jun 29, 2026, 07:22 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Feb 20, 2007, 17:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

4Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
php-zendhashinit-dos(32709)CVE reference · vdb-entry, x_refsource_XF
https://issues.rpath.com/browse/RPL-1088CVE reference · x_refsource_CONFIRM
oval:org.mitre.oval:def:11092CVE reference · vdb-entry, signature

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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