CVE-2014-9425

CVE-2014-9425 is a high-severity vulnerability in Php with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

• Severity: High (CVSS 2.0 base score 7.5)
• EPSS exploit prediction: 4% (88th percentile)
• Actively exploited: Not listed in CISA KEV
• Affected product: Php
• Published: 2014-12-31
• Last modified: 2026-06-17

Description

Double free vulnerability in the zend_ts_hash_graceful_destroy function in zend_ts_hash.c in the Zend Engine in PHP through 5.5.20 and 5.6.x through 5.6.4 allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors.

Frequently asked questions

What is CVE-2014-9425?

Double free vulnerability in the zend_ts_hash_graceful_destroy function in zend_ts_hash.c in the Zend Engine in PHP through 5.5.20 and 5.6.x through 5.6.4 allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors.

How severe is CVE-2014-9425?

CVE-2014-9425 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2014-9425 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-9425?

CVE-2014-9425 primarily affects Php. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-9425?

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

When was CVE-2014-9425 published?

CVE-2014-9425 was published on 2014-12-31 and last updated on 2026-06-17.

References

• http://advisories.mageia.org/MGASA-2015-0040.html
• http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=24125f0f26f3787c006e4a51611ba33ee3b841cb
• http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=2bcf69d073190e4f032d883f3416dea1b027a39e
• http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=fbf3a6bc1abcc8a5b5226b0ad9464c37f11ddbd6
• http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html
• http://openwall.com/lists/oss-security/2014/12/29/6
• http://rhn.redhat.com/errata/RHSA-2015-1218.html
• http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html
• http://www.securityfocus.com/bid/71800
• https://bugs.php.net/bug.php?id=68676
• https://security.gentoo.org/glsa/201503-03
• https://support.apple.com/HT205267

Affected products (2)

• cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
• cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*

More vulnerabilities in Php

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• CVE-2012-2688 — Critical (CVSS 10.0): Unspecified vulnerability in the _php_stream_scandir function in the stream implementation in PHP before 5.3.15 and…
• CVE-2012-2376 — Critical (CVSS 10.0): Buffer overflow in the com_print_typeinfo function in PHP 5.4.3 and earlier on Windows allows remote attackers to…
• CVE-2011-3268 — Critical (CVSS 10.0): Buffer overflow in the crypt function in PHP before 5.3.7 allows context-dependent attackers to have an unspecified…
• CVE-2009-4143 — Critical (CVSS 10.0): PHP before 5.2.12 does not properly handle session data, which has unspecified impact and attack vectors related to (1)…
• CVE-2008-5557 — Critical (CVSS 10.0): Heap-based buffer overflow in ext/mbstring/libmbfl/filters/mbfilter_htmlent.c in the mbstring extension in PHP 4.3.0…

All CVEs affecting Php →

Threat intelligence

Threat-intel indicators referencing this CVE:

• 45.84.120.3 (ipv4-addr)
• 79.137.34.248 (ipv4-addr)
• 221.161.235.168 (ipv4-addr)
• 200.196.50.91 (ipv4-addr)
• 187.51.208.158 (ipv4-addr)
• 187.141.71.166 (ipv4-addr)
• 187.110.238.50 (ipv4-addr)
• 116.255.252.44 (ipv4-addr)