Integer overflow in PHP

CVE-2007-1383

Integer overflow in the 16 bit variable reference counter in PHP 4 allows context-dependent attackers to execute arbitrary code by overflowing this counter, which causes the same variable to be destroyed twice, a related issue to CVE-2007-1286.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.152 (96.6th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.6% 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-2007-1383: held from 0.152 to 0.152.

EPSS over last 30 days · oldest: 0.152 · newest: 0.152 · change: 0.000

Affected products

  • PHP — versions 4.0

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2007-1383?
CVE-2007-1383 is a critical-severity vulnerability in PHP, classified under CWE-189. CVSS score: 9.8/10. Published 2007-03-10.
How severe is CVE-2007-1383?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2007-1383 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.