Out-of-bounds Read in Php

CVE-2016-10161

The object_common1 function in ext/standard/var_unserializer.c in PHP before 5.6.30, 7.0.x before 7.0.15, and 7.1.x before 7.1.1 allows remote attackers to cause a denial of service (buffer over-read and application crash) via crafted serialized data that is mishandled in a finish_nested_data call.

Vulnerability class: Buffer Overflow

EPSS: 0.133 (96.0th 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-2016-10161?
CVE-2016-10161 is a high-severity vulnerability in Php, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2017-01-24.
How severe is CVE-2016-10161?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2016-10161 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.