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5.3 Medium

CVE-2021-21702 In PHP versions 7.3.x below 7.3.27, 7.4.x below 7.4.15 and 8.0.x below 8.0.2, when using SOAP extension to connect to…

Description

In PHP versions 7.3.x below 7.3.27, 7.4.x below 7.4.15 and 8.0.x below 8.0.2, when using SOAP extension to connect to a SOAP server, a malicious SOAP server could return malformed XML data as a response that would cause PHP to access a null pointer and thus cause a crash.

Affected products and versions

Product Affected versions Fixed in
PHP 8.0 8.0.X → < 8.0.2 8.0.2
PHP 7.4 7.4.x → < 7.4.15 7.4.15
PHP 7.3 7.3.x → < 7.3.27 7.3.27

References

Timeline

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