CVE-2012-2376

Exp

Buffer overflow in the com_print_typeinfo function in PHP 5.4.3 and earlier on Windows allows remote attackers to execute arbitrary code via crafted arguments that trigger incorrect handling of COM object VARIANT types, as exploited in the wild in May 2012.

Published: 2012-05-21 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2012-2376 is rated High Exploit Risk (84/100): CVSS Critical severity, with high exploitation likelihood (EPSS 37.49%, 97th percentile). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2012-2376

EDB-ID Source Kind Published Link
18861 exploit_db edb 2012-05-11 Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2012-2376

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-04-12 51.94% 37.49% -14.45%
2 2026-04-04 41.55% 51.94% +10.39%
3 2026-03-04 41.55%

Full EPSS history (49 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-2376

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
10.0 10.0 [email protected]

Weakness enumeration for CVE-2012-2376

OS Trackers for CVE-2012-2376

vendor priority summary link
redhat low https://access.redhat.com/security/cve/CVE-2012-2376
ubuntu medium CVE-2012-2376 medium priority: Ubuntu including 1 source packages (php5), 6 status rows across 6 suites (hardy, lucid, natty, oneiric, precise, upstream): ignored 5, needs-triage 1. https://ubuntu.com/security/CVE-2012-2376

Affected software / configurations for CVE-2012-2376

Vendor Product Version Raw CPE
php php <= 5.4.3 cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
php php 1.0 cpe:2.3:a:php:php:1.0:*:*:*:*:*:*:*
php php 2.0 cpe:2.3:a:php:php:2.0:*:*:*:*:*:*:*
php php 2.0b10 cpe:2.3:a:php:php:2.0b10:*:*:*:*:*:*:*
php php 3.0 cpe:2.3:a:php:php:3.0:*:*:*:*:*:*:*
php php 3.0.1 cpe:2.3:a:php:php:3.0.1:*:*:*:*:*:*:*
php php 3.0.2 cpe:2.3:a:php:php:3.0.2:*:*:*:*:*:*:*
php php 3.0.3 cpe:2.3:a:php:php:3.0.3:*:*:*:*:*:*:*
php php 3.0.4 cpe:2.3:a:php:php:3.0.4:*:*:*:*:*:*:*
php php 3.0.5 cpe:2.3:a:php:php:3.0.5:*:*:*:*:*:*:*
php php 3.0.6 cpe:2.3:a:php:php:3.0.6:*:*:*:*:*:*:*
php php 3.0.7 cpe:2.3:a:php:php:3.0.7:*:*:*:*:*:*:*
php php 3.0.8 cpe:2.3:a:php:php:3.0.8:*:*:*:*:*:*:*
php php 3.0.9 cpe:2.3:a:php:php:3.0.9:*:*:*:*:*:*:*
php php 3.0.10 cpe:2.3:a:php:php:3.0.10:*:*:*:*:*:*:*
php php 3.0.11 cpe:2.3:a:php:php:3.0.11:*:*:*:*:*:*:*
php php 3.0.12 cpe:2.3:a:php:php:3.0.12:*:*:*:*:*:*:*
php php 3.0.13 cpe:2.3:a:php:php:3.0.13:*:*:*:*:*:*:*
php php 3.0.14 cpe:2.3:a:php:php:3.0.14:*:*:*:*:*:*:*
php php 3.0.15 cpe:2.3:a:php:php:3.0.15:*:*:*:*:*:*:*
php php 3.0.16 cpe:2.3:a:php:php:3.0.16:*:*:*:*:*:*:*
php php 3.0.17 cpe:2.3:a:php:php:3.0.17:*:*:*:*:*:*:*
php php 3.0.18 cpe:2.3:a:php:php:3.0.18:*:*:*:*:*:*:*
php php 4.0 cpe:2.3:a:php:php:4.0:beta_4_patch1:*:*:*:*:*:*
php php 4.0 cpe:2.3:a:php:php:4.0:beta1:*:*:*:*:*:*
php php 4.0 cpe:2.3:a:php:php:4.0:beta2:*:*:*:*:*:*
php php 4.0 cpe:2.3:a:php:php:4.0:beta3:*:*:*:*:*:*
php php 4.0 cpe:2.3:a:php:php:4.0:beta4:*:*:*:*:*:*
php php 4.0.0 cpe:2.3:a:php:php:4.0.0:*:*:*:*:*:*:*
php php 4.0.1 cpe:2.3:a:php:php:4.0.1:*:*:*:*:*:*:*
php php 4.0.2 cpe:2.3:a:php:php:4.0.2:*:*:*:*:*:*:*
php php 4.0.3 cpe:2.3:a:php:php:4.0.3:*:*:*:*:*:*:*
php php 4.0.4 cpe:2.3:a:php:php:4.0.4:*:*:*:*:*:*:*
php php 4.0.5 cpe:2.3:a:php:php:4.0.5:*:*:*:*:*:*:*
php php 4.0.6 cpe:2.3:a:php:php:4.0.6:*:*:*:*:*:*:*
php php 4.0.7 cpe:2.3:a:php:php:4.0.7:*:*:*:*:*:*:*
php php 4.1.0 cpe:2.3:a:php:php:4.1.0:*:*:*:*:*:*:*
php php 4.1.1 cpe:2.3:a:php:php:4.1.1:*:*:*:*:*:*:*
php php 4.1.2 cpe:2.3:a:php:php:4.1.2:*:*:*:*:*:*:*
php php 4.2.0 cpe:2.3:a:php:php:4.2.0:*:*:*:*:*:*:*
php php 4.2.1 cpe:2.3:a:php:php:4.2.1:*:*:*:*:*:*:*
php php 4.2.2 cpe:2.3:a:php:php:4.2.2:*:*:*:*:*:*:*
php php 4.2.3 cpe:2.3:a:php:php:4.2.3:*:*:*:*:*:*:*
php php 4.3.0 cpe:2.3:a:php:php:4.3.0:*:*:*:*:*:*:*
php php 4.3.1 cpe:2.3:a:php:php:4.3.1:*:*:*:*:*:*:*
php php 4.3.2 cpe:2.3:a:php:php:4.3.2:*:*:*:*:*:*:*
php php 4.3.3 cpe:2.3:a:php:php:4.3.3:*:*:*:*:*:*:*
php php 4.3.4 cpe:2.3:a:php:php:4.3.4:*:*:*:*:*:*:*
php php 4.3.5 cpe:2.3:a:php:php:4.3.5:*:*:*:*:*:*:*
php php 4.3.6 cpe:2.3:a:php:php:4.3.6:*:*:*:*:*:*:*
php php 4.3.7 cpe:2.3:a:php:php:4.3.7:*:*:*:*:*:*:*
php php 4.3.8 cpe:2.3:a:php:php:4.3.8:*:*:*:*:*:*:*
php php 4.3.9 cpe:2.3:a:php:php:4.3.9:*:*:*:*:*:*:*
php php 4.3.10 cpe:2.3:a:php:php:4.3.10:*:*:*:*:*:*:*
php php 4.3.11 cpe:2.3:a:php:php:4.3.11:*:*:*:*:*:*:*
php php 4.4.0 cpe:2.3:a:php:php:4.4.0:*:*:*:*:*:*:*
php php 4.4.1 cpe:2.3:a:php:php:4.4.1:*:*:*:*:*:*:*
php php 4.4.2 cpe:2.3:a:php:php:4.4.2:*:*:*:*:*:*:*
php php 4.4.3 cpe:2.3:a:php:php:4.4.3:*:*:*:*:*:*:*
php php 4.4.4 cpe:2.3:a:php:php:4.4.4:*:*:*:*:*:*:*
php php 4.4.5 cpe:2.3:a:php:php:4.4.5:*:*:*:*:*:*:*
php php 4.4.6 cpe:2.3:a:php:php:4.4.6:*:*:*:*:*:*:*
php php 4.4.7 cpe:2.3:a:php:php:4.4.7:*:*:*:*:*:*:*
php php 4.4.8 cpe:2.3:a:php:php:4.4.8:*:*:*:*:*:*:*
php php 4.4.9 cpe:2.3:a:php:php:4.4.9:*:*:*:*:*:*:*
php php 5.0.0 cpe:2.3:a:php:php:5.0.0:*:*:*:*:*:*:*
php php 5.0.0 cpe:2.3:a:php:php:5.0.0:beta1:*:*:*:*:*:*
php php 5.0.0 cpe:2.3:a:php:php:5.0.0:beta2:*:*:*:*:*:*
php php 5.0.0 cpe:2.3:a:php:php:5.0.0:beta3:*:*:*:*:*:*
php php 5.0.0 cpe:2.3:a:php:php:5.0.0:beta4:*:*:*:*:*:*
php php 5.0.0 cpe:2.3:a:php:php:5.0.0:rc1:*:*:*:*:*:*
php php 5.0.0 cpe:2.3:a:php:php:5.0.0:rc2:*:*:*:*:*:*
php php 5.0.0 cpe:2.3:a:php:php:5.0.0:rc3:*:*:*:*:*:*
php php 5.0.1 cpe:2.3:a:php:php:5.0.1:*:*:*:*:*:*:*
php php 5.0.2 cpe:2.3:a:php:php:5.0.2:*:*:*:*:*:*:*
php php 5.0.3 cpe:2.3:a:php:php:5.0.3:*:*:*:*:*:*:*
php php 5.0.4 cpe:2.3:a:php:php:5.0.4:*:*:*:*:*:*:*
php php 5.0.5 cpe:2.3:a:php:php:5.0.5:*:*:*:*:*:*:*
php php 5.1.0 cpe:2.3:a:php:php:5.1.0:*:*:*:*:*:*:*
php php 5.1.1 cpe:2.3:a:php:php:5.1.1:*:*:*:*:*:*:*

References for CVE-2012-2376

cvelogic Threat Intelligence