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
Published Mar 21, 2007
6.8
MEDIUMCVSS 2.0
EPSS 5.25%
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.
Affected products
Remediation
Red Hat statement
This CVE name is a duplicate as the vulnerability is addressed by CVE-2007-0907.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 5.25% (0.05249) | 92.28th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.25% (0.05249) | 91.45th | v5 (v2026.06.15) |
| Dec 28, 2025 | 3.22% (0.03222) | 86.66th | v4 (v2025.03.14) |
| Dec 27, 2025 | 4.47% (0.04472) | 88.77th | v4 (v2025.03.14) |
| Oct 28, 2025 | 3.41% (0.03412) | 86.91th | v4 (v2025.03.14) |
| Oct 27, 2025 | 4.73% (0.04731) | 88.93th | v4 (v2025.03.14) |
| Oct 1, 2025 | 3.41% (0.03412) | 87.01th | v4 (v2025.03.14) |
| Jul 30, 2025 | 4.73% (0.04731) | 88.99th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.70% (0.02704) | 84.90th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.52% (0.00520) | 77.58th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.52% (0.00520) | 76.12th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.52% (0.00517) | 73.15th | v3 (v2023.03.01) |
| Mar 6, 2023 | 4.40% (0.04404) | 88.13th | v2 (v2022.01.01) |
| Apr 1, 2022 | 4.40% (0.04404) | 86.95th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.40% (0.04404) | 70.71th | v2 (v2022.01.01) |
No CWE recorded.
References (5)
- http://www.php-security.org/MOPB/MOPB-25-2007.html x_refsource_MISCVendor Advisory
- https://access.redhat.com/security/cve/CVE-2007-1584 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2007-1584
- https://www.cve.org/CVERecord?id=CVE-2007-1584
- https://www.exploit-db.com/exploits/3517 exploitx_refsource_EXPLOIT-DB
| Link | Providers | Tags |
|---|---|---|
| http://www.php-security.org/MOPB/MOPB-25-2007.html | x_refsource_MISCVendor Advisory | |
| https://access.redhat.com/security/cve/CVE-2007-1584 | Vendor Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2007-1584 | ||
| https://www.cve.org/CVERecord?id=CVE-2007-1584 | ||
| https://www.exploit-db.com/exploits/3517 | exploitx_refsource_EXPLOIT-DB |
Change history (0)
No recorded changes yet.