How severe is CVE-2007-1584?

CVE-2007-1584 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2007-1584 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-1584?

CVE-2007-1584 affects Php. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-1584?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2007-1584 published?

CVE-2007-1584 was published on 2007-03-21 and last updated on 2026-06-16.

CVE-2007-1584

CVE-2007-1584 is a medium-severity vulnerability in Php with a CVSS 2.0 base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 6.8)
EPSS exploit prediction: 5% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Php
Published: 2007-03-21
Last modified: 2026-06-16

Description

Buffer underflow in the header function in PHP 5.2.0 allows context-dependent attackers to execute arbitrary code by passing an all-whitespace string to this function, which causes it to write '\0' characters in whitespace that precedes the string.

Frequently asked questions

What is CVE-2007-1584?: Buffer underflow in the header function in PHP 5.2.0 allows context-dependent attackers to execute arbitrary code by passing an all-whitespace string to this function, which causes it to write '\0' characters in whitespace that precedes the string.
How severe is CVE-2007-1584?: CVE-2007-1584 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2007-1584 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-1584?: CVE-2007-1584 affects Php. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-1584?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-1584 published?: CVE-2007-1584 was published on 2007-03-21 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:php:php:5.2.0:*:*:*:*:*:*:*

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