debian · CVE-2021-21706

Quick triage

Priority: unimportant Published: Updated: Mon, 20 Jul 2026 12:32:35 GMT

View at Official debian advisory, NVD, CVE.org · CVE detail

Freshness: upstream tracker timestamp is available; use API updated time as primary recency signal.

Tracker summary

CVE-2021-21706 unimportant priority: Debian including 1 source packages (php7.4), 1 status rows across 1 suites (bullseye): resolved 1.

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.

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