Deserialization in Php

CVE-2016-7124

ext/standard/var_unserializer.c in PHP before 5.6.25 and 7.x before 7.0.10 mishandles certain invalid objects, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via crafted serialized data…

Vulnerability class: Insecure Deserialization

EPSS: 0.747 (98.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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-2016-7124?
CVE-2016-7124 is a critical-severity vulnerability in Php, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2016-09-12.
How severe is CVE-2016-7124?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2016-7124 known to be exploited?
21 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.