NULL pointer dereference in PHP

CVE-2016-7131

ext/wddx/wddx.c in PHP before 5.6.25 and 7.x before 7.0.10 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) or possibly have unspecified other impact via a malformed wddxPacket XML document that is mishandled in a wddx_deserialize call, as demonstrated by a tag that lacks a < (less than) character.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.088 (95.0th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2016-7131: held from 0.088 to 0.088.

EPSS over last 30 days · oldest: 0.088 · newest: 0.088 · change: 0.000

Affected products

  • PHP — versions 7.0.0, 7.0.1, 7.0.2

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2016-7131?
CVE-2016-7131 is a high-severity vulnerability in PHP, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2016-09-12.
How severe is CVE-2016-7131?
High severity. CVSS v3 base score is 7.5 out of 10.