title: Out-of-bounds read in iconv.c
description: Function iconv_mime_decode_headers() in PHP versions 7.1.x below 7.1.30, 7.2.x below 7.2.19 and 7.3.x below 7.3.6 may perform out-of-buffer read due to integer overflow when parsing MIME headers. This may lead to information disclosure or crash.
problem types: CWE-125 Out-of-bounds Read
affected:
{
product: PHP
vendor: PHP Group
versions:
status: affected, version: 7.1.30
status: affected, version: 7.2.19
status: affected, version: 7.3.6
}
metrics:
cvssV3_0: [
attackComplexity: HIGH
attackVector: NETWORK
availabilityImpact: LOW
baseScore: 4.2
baseSeverity: MEDIUM
confidentialityImpact: LOW
integrityImpact: NONE
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: REQUIRED
vectorString: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:L
version: 3.0
]