MEDIUM
php ext/filter email validation issue
Published Apr 10, 2007
5.0
MEDIUMCVSS 2.0
EPSS 2.53%
Description
CRLF injection vulnerability in the FILTER_VALIDATE_EMAIL filter in ext/filter in PHP 5.2.0 and 5.2.1 allows context-dependent attackers to inject arbitrary e-mail headers via an e-mail address with a '\n' character, which causes a regular expression to ignore the subsequent part of the address string.
Affected products
Remediation
Red Hat statement
Not vulnerable. The filter extension was not shipped in the versions of PHP supplied 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.
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:P/A:N
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact Partial
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
2.53% 0.02534
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.02534
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 (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.53% (0.02534) | 84.37th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.26% (0.02262) | 80.65th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.78% (0.00784) | 72.08th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.42% (0.00421) | 75.04th | v3 (v2023.03.01) |
| Jun 5, 2024 | 0.42% (0.00421) | 73.48th | v3 (v2023.03.01) |
| Mar 21, 2024 | 0.60% (0.00597) | 77.94th | v3 (v2023.03.01) |
| Feb 12, 2024 | 0.48% (0.00479) | 75.10th | v3 (v2023.03.01) |
| Jan 5, 2024 | 0.53% (0.00535) | 74.68th | v3 (v2023.03.01) |
| Nov 28, 2023 | 0.51% (0.00507) | 73.85th | v3 (v2023.03.01) |
| Sep 12, 2023 | 0.48% (0.00480) | 72.86th | v3 (v2023.03.01) |
| Aug 5, 2023 | 0.43% (0.00425) | 70.97th | v3 (v2023.03.01) |
| Apr 16, 2023 | 0.40% (0.00404) | 69.78th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.49% (0.00491) | 72.44th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.69% (0.02686) | 82.85th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.69% (0.02686) | 81.17th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.69% (0.02686) | 62.66th | v2 (v2022.01.01) |
Weaknesses (0)
No CWE recorded.
References (31)
- http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01178795 vendor-advisoryx_refsource_HP
- http://secunia.com/advisories/24824 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/25056 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/25057 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/25062 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/25445 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/25535 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/26231 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/27037 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/27102 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/27110 third-party-advisoryx_refsource_SECUNIA
- http://security.gentoo.org/glsa/glsa-200705-19.xml vendor-advisoryx_refsource_GENTOO
- http://slackware.com/security/viewer.php?l=slackware-security&y=2007&m=slackware-security.482863 vendor-advisoryx_refsource_SLACKWARE
- http://www.debian.org/security/2007/dsa-1283 vendor-advisoryx_refsource_DEBIAN
- http://www.gentoo.org/security/en/glsa/glsa-200710-02.xml vendor-advisoryx_refsource_GENTOO
- http://www.novell.com/linux/security/advisories/2007_32_php.html vendor-advisoryx_refsource_SUSE
- http://www.osvdb.org/33962 vdb-entryx_refsource_OSVDB
- http://www.php-security.org/MOPB/PMOPB-45-2007.html x_refsource_MISCVendor Advisory
- http://www.php.net/releases/5_2_3.php x_refsource_CONFIRM
- http://www.securityfocus.com/bid/23359 vdb-entryx_refsource_BID
- http://www.trustix.org/errata/2007/0023/ vendor-advisoryx_refsource_TRUSTIX
- http://www.ubuntu.com/usn/usn-455-1 vendor-advisoryx_refsource_UBUNTU
- http://www.vupen.com/english/advisories/2007/2016 vdb-entryx_refsource_VUPEN
- http://www.vupen.com/english/advisories/2007/3386 vdb-entryx_refsource_VUPEN
- https://access.redhat.com/security/cve/CVE-2007-1900 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=242034 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/33510 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2007-1900
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6067 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2007-1900
- https://www.redhat.com/archives/fedora-package-announce/2007-September/msg00397.html vendor-advisoryx_refsource_FEDORA
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Apr 10, 2007
Updated Aug 7, 2024
Reserved Apr 10, 2007
Link CVE-2007-1900
CISA Vulnrichment
Updated n/a