Unrated severityNVD Advisory· Published Sep 12, 2007· Updated Jun 16, 2026
CVE-2007-4840
CVE-2007-4840
Description
PHP 5.2.4 and earlier allows context-dependent attackers to cause a denial of service (application crash) via (1) a long string in the out_charset parameter to the iconv function; or a long string in the charset parameter to the (2) iconv_mime_decode_headers, (3) iconv_mime_decode, or (4) iconv_strlen function. NOTE: this might not be a vulnerability in most web server environments that support multiple threads, unless these issues can be demonstrated for code execution.
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Affected products
2Patches
Vulnerability mechanics
References
12- lists.opensuse.org/opensuse-security-announce/2008-01/msg00006.htmlnvd
- osvdb.org/38916nvd
- secunia.com/advisories/27102nvd
- secunia.com/advisories/27659nvd
- secunia.com/advisories/28658nvd
- secunia.com/advisories/30040nvd
- securityreason.com/securityalert/3122nvd
- wiki.rpath.com/wiki/Advisories:rPSA-2007-0242nvd
- www.gentoo.org/security/en/glsa/glsa-200710-02.xmlnvd
- www.securityfocus.com/archive/1/478730/100/0/threadednvd
- www.securityfocus.com/archive/1/491693/100/0/threadednvd
- issues.rpath.com/browse/RPL-1943nvd
News mentions
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