NULL pointer dereference in Php

CVE-2016-9934

ext/wddx/wddx.c in PHP before 5.6.28 and 7.x before 7.0.13 allows remote attackers to cause a denial of service (NULL pointer dereference) via crafted serialized data in a wddxPacket XML document, as demonstrated by a PDORow string.

EPSS: 0.068 (93.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

  • Php — versions 7.0.0, 7.0.1, 7.0.2
  • N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2016-9934?
CVE-2016-9934 is a high-severity vulnerability in Php, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2017-01-04.
How severe is CVE-2016-9934?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2016-9934 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.