The zend_string_extend function in Zend/zend_string.h in PHP through 7.1.5 does not prevent changes to string objects that result in a negative length, which allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact by leveraging a script's use of .= with a long string.
Metrics
Affected Vendors & Products
References
History
Wed, 16 Jul 2025 13:45:00 +0000
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epss
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Fri, 11 Jul 2025 13:45:00 +0000
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epss
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epss
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Fri, 06 Jun 2025 20:30:00 +0000
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| First Time appeared |
Redhat
Redhat enterprise Linux |
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| CPEs | cpe:/a:redhat:enterprise_linux:8 | |
| Vendors & Products |
Redhat
Redhat enterprise Linux |
Fri, 27 Dec 2024 16:45:00 +0000
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Status: PUBLISHED
Assigner: mitre
Published: 2017-05-12T20:00:00
Updated: 2024-12-27T16:02:56.664Z
Reserved: 2017-05-12T00:00:00
Link: CVE-2017-8923
No data.
Status : Deferred
Published: 2017-05-12T20:29:00.500
Modified: 2025-04-20T01:37:25.860
Link: CVE-2017-8923