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    CVE-2007-1900

    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.

    Published:Apr 10, 2007
    Last Modified:Apr 23, 2026
    EPS:Apr 10, 2007
    EPSS Score:0.00882
    CVSS Score:5

    Affected Products

    Vendor
    Php
    Product
    Php

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2026-7263 (CVSS 6.3) — In PHP versions 8.4.* before 8.4.21 and 8.5.* before 8.5.6, DOMNode::C14N() method may process the XML data in…
    CVE-2026-6104 (CVSS 6.3) — In PHP versions 8.4.* before 8.4.21 and 8.5.* before 8.5.6, when an encoding name containing an embedded NUL b…
    CVE-2026-7258 (CVSS 6.3) — In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, some fu…
    CVE-2026-6722 (CVSS 9.5) — In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, the SOA…
    CVE-2026-7259 (CVSS 2.1) — In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, a misma…
    CVE-2026-7261 (CVSS 6.3) — In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, when So…
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    References

    http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01178795
    http://secunia.com/advisories/24824
    http://secunia.com/advisories/25056
    http://secunia.com/advisories/25057
    http://secunia.com/advisories/25062
    http://secunia.com/advisories/25445
    http://secunia.com/advisories/25535
    http://secunia.com/advisories/26231
    http://secunia.com/advisories/27037
    http://secunia.com/advisories/27102
    http://secunia.com/advisories/27110
    http://security.gentoo.org/glsa/glsa-200705-19.xml
    http://slackware.com/security/viewer.php?l=slackware-security&y=2007&m=slackware-security.482863
    http://www.debian.org/security/2007/dsa-1283
    http://www.gentoo.org/security/en/glsa/glsa-200710-02.xml
    http://www.novell.com/linux/security/advisories/2007_32_php.html
    http://www.osvdb.org/33962
    http://www.php-security.org/MOPB/PMOPB-45-2007.html
    http://www.php.net/releases/5_2_3.php
    http://www.securityfocus.com/bid/23359
    http://www.trustix.org/errata/2007/0023/
    http://www.ubuntu.com/usn/usn-455-1
    http://www.vupen.com/english/advisories/2007/2016
    http://www.vupen.com/english/advisories/2007/3386
    https://exchange.xforce.ibmcloud.com/vulnerabilities/33510
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6067
    https://www.redhat.com/archives/fedora-package-announce/2007-September/msg00397.html
    http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01178795
    http://secunia.com/advisories/24824
    http://secunia.com/advisories/25056
    http://secunia.com/advisories/25057
    http://secunia.com/advisories/25062
    http://secunia.com/advisories/25445
    http://secunia.com/advisories/25535
    http://secunia.com/advisories/26231
    http://secunia.com/advisories/27037
    http://secunia.com/advisories/27102
    http://secunia.com/advisories/27110
    http://security.gentoo.org/glsa/glsa-200705-19.xml
    http://slackware.com/security/viewer.php?l=slackware-security&y=2007&m=slackware-security.482863
    http://www.debian.org/security/2007/dsa-1283
    http://www.gentoo.org/security/en/glsa/glsa-200710-02.xml
    http://www.novell.com/linux/security/advisories/2007_32_php.html
    http://www.osvdb.org/33962
    http://www.php-security.org/MOPB/PMOPB-45-2007.html
    http://www.php.net/releases/5_2_3.php
    http://www.securityfocus.com/bid/23359
    http://www.trustix.org/errata/2007/0023/
    http://www.ubuntu.com/usn/usn-455-1
    http://www.vupen.com/english/advisories/2007/2016
    http://www.vupen.com/english/advisories/2007/3386
    https://exchange.xforce.ibmcloud.com/vulnerabilities/33510
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6067
    https://www.redhat.com/archives/fedora-package-announce/2007-September/msg00397.html

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High