VYPR
Medium severity5.3NVD Advisory· Published Oct 4, 2021· Updated Jun 17, 2026

CVE-2021-21706

CVE-2021-21706

Description

In PHP versions 7.3.x below 7.3.31, 7.4.x below 7.4.24 and 8.0.x below 8.0.11, in Microsoft Windows environment, ZipArchive::extractTo may be tricked into writing a file outside target directory when extracting a ZIP file, thus potentially causing files to be created or overwritten, subject to OS permissions.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

23

Patches

Vulnerability mechanics

References

2

News mentions

0

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