filter extension buffer underflow
Published Mar 14, 2007
7.5
HIGHCVSS 2.0
EPSS 9.52%
Description
Buffer underflow in the PHP_FILTER_TRIM_DEFAULT macro in the filtering extension (ext/filter) in PHP 5.2.0 allows context-dependent attackers to execute arbitrary code by calling filter_var with certain modes such as FILTER_VALIDATE_INT, which causes filter to write a null byte in whitespace that precedes the buffer.
Affected products
Remediation
Red Hat statement
Not vulnerable. The filter extension was not shipped in versions of PHP provided for Red Hat Enterprise Linux 2.1, 3, 4, 5, Stronghold 4.0, or Red Hat Application Stack 1.
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:L/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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 9.52% (0.09518) | 95.31th | v5 (v2026.06.15) |
| Jun 15, 2026 | 9.52% (0.09518) | 94.81th | v5 (v2026.06.15) |
| Jul 20, 2025 | 3.15% (0.03148) | 86.33th | v4 (v2025.03.14) |
| May 15, 2025 | 1.55% (0.01551) | 80.44th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.80% (0.02796) | 85.16th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.32% (0.01317) | 86.52th | v3 (v2023.03.01) |
| Dec 9, 2023 | 1.32% (0.01317) | 84.41th | v3 (v2023.03.01) |
| Nov 1, 2023 | 1.27% (0.01269) | 84.17th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.30% (0.01298) | 83.72th | v3 (v2023.03.01) |
| Mar 6, 2023 | 9.01% (0.09006) | 94.03th | v2 (v2022.01.01) |
| Apr 1, 2022 | 9.01% (0.09006) | 93.50th | v2 (v2022.01.01) |
| Feb 4, 2022 | 9.01% (0.09006) | 83.04th | v2 (v2022.01.01) |
No CWE recorded.
References (11)
- http://secunia.com/advisories/25056 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/25062 third-party-advisoryx_refsource_SECUNIA
- http://www.debian.org/security/2007/dsa-1283 vendor-advisoryx_refsource_DEBIAN
- http://www.novell.com/linux/security/advisories/2007_32_php.html vendor-advisoryx_refsource_SUSE
- http://www.php-security.org/MOPB/MOPB-19-2007.html x_refsource_MISC
- http://www.php.net/releases/5_2_1.php x_refsource_MISC
- http://www.securityfocus.com/bid/22922 vdb-entryx_refsource_BIDExploit
- https://access.redhat.com/security/cve/CVE-2007-1453 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=240163 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2007-1453
- https://www.cve.org/CVERecord?id=CVE-2007-1453
| Link | Providers | Tags |
|---|---|---|
| http://secunia.com/advisories/25056 | third-party-advisoryx_refsource_SECUNIA | |
| http://secunia.com/advisories/25062 | third-party-advisoryx_refsource_SECUNIA | |
| http://www.debian.org/security/2007/dsa-1283 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.novell.com/linux/security/advisories/2007_32_php.html | vendor-advisoryx_refsource_SUSE | |
| http://www.php-security.org/MOPB/MOPB-19-2007.html | x_refsource_MISC | |
| http://www.php.net/releases/5_2_1.php | x_refsource_MISC | |
| http://www.securityfocus.com/bid/22922 | vdb-entryx_refsource_BIDExploit | |
| https://access.redhat.com/security/cve/CVE-2007-1453 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=240163 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2007-1453 | ||
| https://www.cve.org/CVERecord?id=CVE-2007-1453 |
Change history (0)
No recorded changes yet.