The wordwrap function in PHP 4 before 4.4.8, and PHP 5 before 5.2.4, does not properly use the breakcharlen variable, which allows remote…

Description

The wordwrap function in PHP 4 before 4.4.8, and PHP 5 before 5.2.4, does not properly use the breakcharlen variable, which allows remote attackers to cause a denial of service (divide-by-zero error and application crash, or infinite loop) via certain arguments, as demonstrated by a 'chr(0), 0, ""' argument set.

Scores

EPSS (exploitation in 30 days)

3.0% · top 13% of all CVEs (5 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.

Weakness

• n/a
• CWE-20 (opens in a new tab)All about CWE-20 and its CVEs

Affected products

• n/a

  • affected n/a

References (35)

• 30288 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 26822 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• https://launchpad.net/bugs/173043 (opens in a new tab)x_refsource_CONFIRMx_transferred
• oval:org.mitre.oval:def:10603 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
• SUSE-SA:2008:004 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• 28658 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• FEDORA-2007-709 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• 26967 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• DSA-1444 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• GLSA-200710-02 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
• 27864 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• http://www.php.net/ChangeLog-5.php#5.2.4 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 26930 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 2007-0026 (opens in a new tab)vendor-advisoryx_refsource_TRUSTIXx_transferred
• RHSA-2007:0889 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• USN-549-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• https://issues.rpath.com/browse/RPL-1693 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 28249 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• DSA-1578 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• https://issues.rpath.com/browse/RPL-1702 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 27545 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• http://support.avaya.com/elmodocs2/security/ASA-2007-449.htm (opens in a new tab)x_refsource_CONFIRMx_transferred
• 26838 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• http://secweb.se/en/advisories/php-wordwrap-vulnerability/ (opens in a new tab)x_refsource_MISCx_transferred
• 27377 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• MDKSA-2007:187 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
• 27102 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• ADV-2007-3023 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• http://www.php.net/releases/5_2_4.php (opens in a new tab)x_refsource_CONFIRMx_transferred
• 26895 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• USN-549-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• RHSA-2007:0890 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• RHSA-2007:0891 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• 26871 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 26642 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2007-3998](https://trackcve.app/badge/CVE-2007-3998.svg)](https://trackcve.app/cve/CVE-2007-3998)

Record last updated 7 Aug 2024, 14:37 UTC.