Unrated severityNVD Advisory· Published Sep 4, 2007· Updated Jun 16, 2026
CVE-2007-4657
CVE-2007-4657
Description
Multiple integer overflows in PHP 4 before 4.4.8, and PHP 5 before 5.2.4, allow remote attackers to obtain sensitive information (memory contents) or cause a denial of service (thread crash) via a large len value to the (1) strspn or (2) strcspn function, which triggers an out-of-bounds read. NOTE: this affects different product versions than CVE-2007-3996.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
8cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:lts:*:*:*+ 3 more
- cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:6.10:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:7.04:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:7.10:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
29- www.php.net/ChangeLog-5.phpnvdPatchVendor Advisory
- secunia.com/advisories/26642nvdThird Party Advisory
- secunia.com/advisories/26822nvdThird Party Advisory
- secunia.com/advisories/26838nvdThird Party Advisory
- secunia.com/advisories/27102nvdThird Party Advisory
- secunia.com/advisories/27377nvdThird Party Advisory
- secunia.com/advisories/27864nvdThird Party Advisory
- secunia.com/advisories/28249nvdThird Party Advisory
- secunia.com/advisories/28318nvdThird Party Advisory
- secunia.com/advisories/28936nvdThird Party Advisory
- secunia.com/advisories/30288nvdThird Party Advisory
- secweb.se/en/advisories/php-strcspn-information-leak-vulnerability/nvdThird Party Advisory
- slackware.com/security/viewer.phpnvdMailing ListThird Party Advisory
- www.debian.org/security/2008/dsa-1444nvdThird Party Advisory
- www.debian.org/security/2008/dsa-1578nvdThird Party Advisory
- www.gentoo.org/security/en/glsa/glsa-200710-02.xmlnvdThird Party Advisory
- www.php.net/ChangeLog-4.phpnvdVendor Advisory
- www.php.net/releases/4_4_8.phpnvdVendor Advisory
- www.php.net/releases/5_2_4.phpnvdVendor Advisory
- www.vupen.com/english/advisories/2007/3023nvdThird Party Advisory
- www.vupen.com/english/advisories/2008/0059nvdThird Party Advisory
- exchange.xforce.ibmcloud.com/vulnerabilities/36388nvdThird Party AdvisoryVDB Entry
- exchange.xforce.ibmcloud.com/vulnerabilities/39399nvdThird Party AdvisoryVDB Entry
- launchpad.net/bugs/173043nvdThird Party Advisory
- usn.ubuntu.com/549-1/nvdThird Party Advisory
- www.trustix.org/errata/2007/0026/nvdBroken Link
- www.ubuntu.com/usn/usn-549-2nvdBroken Link
- issues.rpath.com/browse/RPL-1693nvdBroken Link
- issues.rpath.com/browse/RPL-1702nvdBroken Link
News mentions
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