CVE-2016-9935

Description

The php_wddx_push_element function in ext/wddx/wddx.c in PHP before 5.6.29 and 7.x before 7.0.14 allows remote attackers to cause a denial of service (out-of-bounds read and memory corruption) or possibly have unspecified other impact via an empty boolean element in a wddxPacket XML document.

Category

9.8
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 2.41% Top 20%
Vendor Advisory debian.org Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory gentoo.org Vendor Advisory php.net Vendor Advisory php.net Vendor Advisory php.net Vendor Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/php/php-src/commit/66fd44209d5ffcb9b3d1bc1b9fd8e35b485040c0 patch vendor advisory
http://www.openwall.com/lists/oss-security/2016/12/12/2 third party advisory mailing list
http://www.debian.org/security/2016/dsa-3737 vendor advisory
http://lists.opensuse.org/opensuse-updates/2017-01/msg00054.html vendor advisory
http://www.php.net/ChangeLog-7.php release notes vendor advisory
https://access.redhat.com/errata/RHSA-2018:1296 vendor advisory
http://www.php.net/ChangeLog-5.php release notes vendor advisory
http://lists.opensuse.org/opensuse-updates/2017-01/msg00034.html vendor advisory
http://lists.opensuse.org/opensuse-updates/2016-12/msg00142.html vendor advisory
https://bugs.php.net/bug.php?id=73631 vendor advisory
https://security.gentoo.org/glsa/201702-29 vendor advisory
http://www.securityfocus.com/bid/94846 vdb entry

Frequently Asked Questions

What is the severity of CVE-2016-9935?
CVE-2016-9935 has been scored as a critical severity vulnerability.
How to fix CVE-2016-9935?
To fix CVE-2016-9935, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-9935 being actively exploited in the wild?
It is possible that CVE-2016-9935 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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