CVE-2019-11039

Name: CVE-2019-11039
Creator: NVD / NIST
Published: 2019-06-19T00:15:12.423+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.1/10EPSS 3.04%

Last modified Jun 17, 2026

CVE-2019-11039 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. 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.. EPSS estimates a 3.04% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

EPSS Probability

3.04%

85.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Php	Php	>= 7.1.0, < 7.1.30
Php	Php	>= 7.2.0, < 7.2.19
Php	Php	>= 7.3.0, < 7.3.6
Redhat	Software Collections	1.0
Opensuse	Leap	15.0
Opensuse	Leap	15.1
Debian	Debian Linux	9.0
Debian	Debian Linux	10.0

References

http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00029.htmlMailing List, Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:2519Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:3299Third Party Advisory
https://bugs.php.net/bug.php?id=78069Exploit, Patch, Vendor Advisory
https://seclists.org/bugtraq/2019/Sep/35Mailing List, Third Party Advisory
https://seclists.org/bugtraq/2019/Sep/38Mailing List, Third Party Advisory
https://www.debian.org/security/2019/dsa-4527Third Party Advisory
https://www.debian.org/security/2019/dsa-4529Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00029.htmlMailing List, Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:2519Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:3299Third Party Advisory
https://bugs.php.net/bug.php?id=78069Exploit, Patch, Vendor Advisory
https://seclists.org/bugtraq/2019/Sep/35Mailing List, Third Party Advisory
https://seclists.org/bugtraq/2019/Sep/38Mailing List, Third Party Advisory
https://www.debian.org/security/2019/dsa-4527Third Party Advisory
https://www.debian.org/security/2019/dsa-4529Third Party Advisory

Timeline

Published: Jun 19, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-11039?

How severe is CVE-2019-11039?

CVE-2019-11039 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 3.04% probability of exploitation in the next 30 days.

How do I fix CVE-2019-11039?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-11039?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST