CVE-2018-17082

Name: CVE-2018-17082
Creator: NVD / NIST
Published: 2018-09-16T15:29:00.253+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 4.10%

Last modified Jun 17, 2026

CVE-2018-17082 is a vulnerability of currently unknown severity. The Apache2 component in PHP before 5.6.38, 7.0.x before 7.0.32, 7.1.x before 7.1.22, and 7.2.x before 7.2.10 allows XSS via the body of a "Transfer-Encoding: chunked" request, because the bucket brigade is mishandled in the php_handler function in sapi/apache2handler/sapi_apache2.c.. EPSS estimates a 4.10% chance of exploitation in the next 30 days.

Description

The Apache2 component in PHP before 5.6.38, 7.0.x before 7.0.32, 7.1.x before 7.1.22, and 7.2.x before 7.2.10 allows XSS via the body of a "Transfer-Encoding: chunked" request, because the bucket brigade is mishandled in the php_handler function in sapi/apache2handler/sapi_apache2.c.

Metrics

EPSS Probability

4.10%

89.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Php	Php	< 5.6.38
Php	Php	>= 7.0.0, < 7.0.32
Php	Php	>= 7.1.0, < 7.1.22
Php	Php	>= 7.2.0, < 7.2.10
Debian	Debian Linux	8.0
Debian	Debian Linux	9.0
Netapp	Storage Automation Store	All versions

References

http://php.net/ChangeLog-5.phpRelease Notes
http://php.net/ChangeLog-7.phpRelease Notes
https://access.redhat.com/errata/RHSA-2019:2519
https://bugs.php.net/bug.php?id=76582Exploit, Issue Tracking, Vendor Advisory
https://github.com/php/php-src/commit/23b057742e3cf199612fa8050ae86cae675e214ePatch, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00020.htmlMailing List, Third Party Advisory
https://security.gentoo.org/glsa/201812-01Third Party Advisory
https://security.netapp.com/advisory/ntap-20180924-0001/Third Party Advisory
https://www.debian.org/security/2018/dsa-4353Third Party Advisory
https://www.tenable.com/security/tns-2019-07
http://php.net/ChangeLog-5.phpRelease Notes
http://php.net/ChangeLog-7.phpRelease Notes
https://access.redhat.com/errata/RHSA-2019:2519
https://bugs.php.net/bug.php?id=76582Exploit, Issue Tracking, Vendor Advisory
https://github.com/php/php-src/commit/23b057742e3cf199612fa8050ae86cae675e214ePatch, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00020.htmlMailing List, Third Party Advisory
https://security.gentoo.org/glsa/201812-01Third Party Advisory
https://security.netapp.com/advisory/ntap-20180924-0001/Third Party Advisory
https://www.debian.org/security/2018/dsa-4353Third Party Advisory
https://www.tenable.com/security/tns-2019-07

Timeline

Published: Sep 16, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-17082?

How severe is CVE-2018-17082?

Severity scoring for CVE-2018-17082 is pending analysis. The EPSS model estimates a 4.10% probability of exploitation in the next 30 days.

How do I fix CVE-2018-17082?

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-2018-17082?

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

Scan your code now

Source: NVD / NIST