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6.0 Moyenne

CVE-2026-3644 The fix for CVE-2026-0672, which rejected control characters in http.cookies.Morsel, was incomplete

Description

The fix for CVE-2026-0672, which rejected control characters in http.cookies.Morsel, was incomplete. The Morsel.update(), |= operator, and unpickling paths were not patched, allowing control characters to bypass input validation. Additionally, BaseCookie.js_output() lacked the output validation applied to BaseCookie.output().

Produits et versions touchés

Produit Versions touchées Corrigé en
CPython 3.15 3.15.0a1 → < 3.15.0a8 3.15.0a8
CPython 3.14 3.14.0 → < 3.14.4 3.14.4
CPython 3.13 3.13.0 → < 3.13.13 3.13.13
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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