Vulnerability in Php

CVE-2016-1904

Multiple integer overflows in ext/standard/exec.c in PHP 7.x before 7.0.2 allow remote attackers to cause a denial of service or possibly have unspecified other impact via a long string to the (1) php_escape_shell_cmd or (2) php_escape_shell_arg function, leading to a heap-based buffer overflow.

EPSS: 0.027 (84.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

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

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2016-1904?
CVE-2016-1904 is a high-severity vulnerability in Php, classified under CWE-189. CVSS score: 7.3/10. Published 2016-01-19.
How severe is CVE-2016-1904?
High severity. CVSS v3 base score is 7.3 out of 10.
Is CVE-2016-1904 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.