CVE-2010-1914

CVE-2010-1914 is a medium-severity vulnerability in Php with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.

Key facts

• Severity: Medium (CVSS 2.0 base score 5.0)
• EPSS exploit prediction: 1% (70th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-200
• Affected product: Php
• Published: 2010-05-12
• Last modified: 2026-06-16

Description

The Zend Engine in PHP 5.2 through 5.2.13 and 5.3 through 5.3.2 allows context-dependent attackers to obtain sensitive information by interrupting the handler for the (1) ZEND_BW_XOR opcode (shift_left_function), (2) ZEND_SL opcode (bitwise_xor_function), or (3) ZEND_SR opcode (shift_right_function), related to the convert_to_long_base function.

Frequently asked questions

What is CVE-2010-1914?

The Zend Engine in PHP 5.2 through 5.2.13 and 5.3 through 5.3.2 allows context-dependent attackers to obtain sensitive information by interrupting the handler for the (1) ZEND_BW_XOR opcode (shift_left_function), (2) ZEND_SL opcode (bitwise_xor_function), or (3) ZEND_SR opcode (shift_right_function), related to the convert_to_long_base function.

How severe is CVE-2010-1914?

CVE-2010-1914 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2010-1914 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-1914?

CVE-2010-1914 primarily affects Php. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-1914?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2010-1914 published?

CVE-2010-1914 was published on 2010-05-12 and last updated on 2026-06-16.

References

• http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00006.html
• http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00000.html
• http://www.php-security.org/2010/05/08/mops-2010-014-php-zend_bw_xor-opcode-interruption-address-information-leak-vulnerability/index.html
• http://www.php-security.org/2010/05/08/mops-2010-015-php-zend_sl-opcode-interruption-address-information-leak-vulnerability/index.html
• http://www.php-security.org/2010/05/08/mops-2010-016-php-zend_sr-opcode-interruption-address-information-leak-vulnerability/index.html
• https://exchange.xforce.ibmcloud.com/vulnerabilities/58587

Affected products (16)

• cpe:2.3:a:php:php:5.2.0:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.2.1:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.2.2:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.2.3:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.2.4:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.2.5:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.2.6:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.2.7:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.2.8:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.2.9:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.2.10:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.2.11:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.2.12:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.3.0:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.3.1:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.3.2:*:*:*:*:*:*:*

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Threat intelligence

Threat-intel indicators referencing this CVE:

• 82.199.197.245 (ipv4-addr)
• 58.221.244.34 (ipv4-addr)
• 121.164.135.251 (ipv4-addr)
• 76.133.97.153 (ipv4-addr)
• 223.82.97.51 (ipv4-addr)
• 183.6.115.88 (ipv4-addr)
• 171.100.156.38 (ipv4-addr)
• 116.232.75.154 (ipv4-addr)