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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.
Π‘ΡΡΠ»ΠΊΠΈ
- Third Party AdvisoryVDB Entry
- ExploitIssue TrackingVendor Advisory
- Third Party AdvisoryVDB Entry
- ExploitIssue TrackingVendor Advisory
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ΠΠ΄Π½ΠΎ ΠΈΠ·
EPSS
9.8 Critical
CVSS3
7.5 High
CVSS2
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Π‘Π²ΡΠ·Π°Π½Π½ΡΠ΅ ΡΡΠ·Π²ΠΈΠΌΠΎΡΡΠΈ
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.
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.
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.
The zend_string_extend function in Zend/zend_string.h in PHP through 7 ...
EPSS
9.8 Critical
CVSS3
7.5 High
CVSS2