Vulnerability in PHP

CVE-2015-4603

The exception::getTraceAsString function in Zend/zend_exceptions.c in PHP before 5.4.40, 5.5.x before 5.5.24, and 5.6.x before 5.6.8 allows remote attackers to execute arbitrary code via an unexpected data type, related to a "type confusion" issue.

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.110 (95.9th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.9% 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-2015-4603: held from 0.110 to 0.110.

EPSS over last 30 days · oldest: 0.110 · newest: 0.110 · change: 0.000

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2015-4603?
CVE-2015-4603 is a critical-severity vulnerability in PHP. CVSS score: 9.8/10. Published 2016-05-16.
How severe is CVE-2015-4603?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2015-4603 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.