vulnerability
Alpine Linux: CVE-2021-21702: NULL Pointer Dereference
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:N/I:N/A:P) | Feb 15, 2021 | Oct 1, 2024 | Aug 8, 2025 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
Feb 15, 2021
Added
Oct 1, 2024
Modified
Aug 8, 2025
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.
Solutions
alpine-linux-upgrade-php7alpine-linux-upgrade-php8
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