CVE-2012-2376

CVE-2012-2376 is a critical-severity vulnerability in Php with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 20% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

• Severity: Critical (CVSS 2.0 base score 10.0)
• EPSS exploit prediction: 20% (97th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-119
• Affected product: Php
• Published: 2012-05-21
• Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-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.

How severe is CVE-2012-2376?

CVE-2012-2376 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2012-2376 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 20% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-2376?

CVE-2012-2376 primarily affects Php. In total, 116 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-2376?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2012-2376 published?

CVE-2012-2376 was published on 2012-05-21 and last updated on 2026-06-16.

References

• http://isc.sans.edu/diary.html?storyid=13255
• http://openwall.com/lists/oss-security/2012/05/20/2
• http://www.exploit-db.com/exploits/18861/
• http://www.securitytracker.com/id?1027089
• https://bugzilla.redhat.com/show_bug.cgi?id=823464
• https://exchange.xforce.ibmcloud.com/vulnerabilities/75778

Affected products (116)

• cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:1.0:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:2.0:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:2.0b10:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:3.0:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:3.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:3.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:3.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:3.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:3.0.5:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:3.0.6:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:3.0.7:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:3.0.8:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:3.0.9:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:3.0.10:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:3.0.11:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:3.0.12:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:3.0.13:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:3.0.14:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:3.0.15:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:3.0.16:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:3.0.17:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:3.0.18:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0:beta_4_patch1:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0:beta1:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0:beta2:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0:beta3:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0:beta4:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0.5:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0.6:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0.7:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.1.0:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.1.1:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.1.2:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.2.0:*:*:*:*:*:*:*

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All CVEs affecting Php →

Other CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities

• CVE-2026-2778 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component. This vulnerability was fixed in…
• CVE-2026-2776 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software. This vulnerability…
• CVE-2025-1866 — Critical (CVSS 10.0): Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in warmcat libwebsockets allows…
• CVE-2022-27625 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
• CVE-2022-27624 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
• CVE-2020-11896 — Critical (CVSS 10.0): The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.

Browse all CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities →

Threat intelligence

Threat-intel indicators referencing this CVE:

• 221.161.235.168 (ipv4-addr)
• 187.141.71.166 (ipv4-addr)
• 103.20.122.54 (ipv4-addr)
• 82.199.197.245 (ipv4-addr)
• 58.221.244.34 (ipv4-addr)
• 222.99.52.202 (ipv4-addr)
• 220.88.220.59 (ipv4-addr)
• 211.253.10.61 (ipv4-addr)