CVE-2019-11039

Out-of-bounds read in iconv.c

At a glance

Severity: MEDIUM 4.2
EPSS: EPSS 3.13 % · percentile 88 (2026-10-27)
State: PUBLISHED
Published: 2019-06-18
Updated: 2024-09-17
Assigner: php
NVD status: Modified

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.

Scores

Version	Score	Vector	Scored by
CVSS 3.0	MEDIUM 4.2	CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:L	php
CVSS 3.1	CRITICAL 9.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H	NVD · nvd@nist.gov (Primary)
CVSS 3.0	MEDIUM 4.2	CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:L	NVD · security@php.net (Secondary)
CVSS 2.0	MEDIUM 6.4	AV:N/AC:L/Au:N/C:P/I:N/A:P	NVD · nvd@nist.gov (Primary)

Weaknesses (CWE)

European references

ENISA EUVD · EUVD-2019-2747
GCVE · GCVE-0-2019-11039

CERT-FR advisories

CERTFR-2019-AVI-243 — Multiples vulnérabilités dans PHP · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:a:php:php:*:*:*:*:*:*:*:* ≥ 7.1.0 < 7.1.30
cpe:2.3:a:php:php:*:*:*:*:*:*:*:* ≥ 7.2.0 < 7.2.19
cpe:2.3:a:php:php:*:*:*:*:*:*:*:* ≥ 7.3.0 < 7.3.6
cpe:2.3:a:redhat:software_collections:1.0:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Affected products

Product	Versions
PHP Group · PHP	affected 7.1.30 ; affected 7.2.19 ; affected 7.3.6

References

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD