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Vulnerabilities

Vulnerability · CVE-2012-2376

PHP PHP Improper Restriction of Operations within the Bounds of a Memory Buffer

Published May 21, 2012 · catalog updated May 21, 2012 · PHP PHP

Patch now

CVE-2012-2376 is in the CISA known-exploited catalog. Confirm PHP PHP against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
Unknown—
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
19.84%
Remediation
Remediation guidance
Affected products
stated PHP · vendor PHP PHP

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • stated PHP<= 5.4.3
  • vendor PHP PHPversion unspecified

How to fix CVE-2012-2376

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2012-2376 is in the CISA known-exploited catalog. Confirm PHP PHP against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with PHP <= 5.4.3. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

No weakness class is stored. EPSS 19.84%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. May 21, 2012 · VulnCheck KEV

    Detected

    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.

  2. May 21, 2012 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Sources

  • CVE.orgVulnerability recordCVE-2012-2376

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2012-2376

    30-day exploitation probability 19.8%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-2012-2376

    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.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.