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6.9 Moyenne

CVE-2026-7774 tarfile.data_filter could be bypassed using crafted link entries, including symlinks with empty or directory-like names,…

Description

tarfile.data_filter could be bypassed using crafted link entries, including symlinks with empty or directory-like names, to redirect later archive members outside the intended extraction directory. This allowed a malicious tar archive to cause tarfile.extractall() to write files outside the destination directory, subject to the permissions of the extracting process.

Produits et versions touchés

Produit Versions touchées Corrigé en
CPython 3.15 3.15.0a1 → < 3.15.0b2 3.15.0b2
CPython 3.14 3.14.0 → < 3.14.6 3.14.6
CPython 3.13 3.13.0 → < 3.13.14 3.13.14
CPython 3.12 3.12.0 → < 3.12.14 3.12.14
CPython 3.11 3.11.0 → < 3.11.16 3.11.16
CPython 3.10 premières → < 3.10.21 3.10.21

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