CVE-2007-1383

CRITICAL
9.8
CVSS Score
Published: March 10, 2007 at 12:00 AM UTC
Updated: June 16, 2026 at 10:37 PM UTC
1 product affected across 1 vendorPHP

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Severity
CRITICAL9.8
Exploit prediction
EPSS 15%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

PHP· PHPdrupal
95%

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (7)

SSVC — Action Prioritization

SSVCNo known exploitAutomatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

9.8CRITICALCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-189CWE-190

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