SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2007-4840

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)…

MEDIUM 5.0EPSS 3.15%

Does this matter?

Lower severity and a low EPSS score (3.15%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 2.0
5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS
3.15% probability · 87th percentile
CISA KEV
Not listed
Weakness
CWE-20
Affected
php/php
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.