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.
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.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 18861 | exploit_db | edb | 2012-05-11 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
| 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 |
| 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:*:*:*:*:*:*:* |