CVE-2026-104874

Multidict is an implementation of a multidict data structure. From 6.7.0 until 6.9.1, the C extension's items-view reflected union operation, operand | d.items, in multidictitemsviewor2impl and subtraction operation, d.items - operand, in multidictitemsviewsub1impl fail to release new key-identit...

CVE-2026-104874

A flaw was found in multidict. The multidict C extension fails to release object references during certain items-view union and subtraction operations. An attacker could exploit this vulnerability by supplying crafted input sequences to applications performing these operations, triggering...

CVE-2026-104874

The Multidict library (versions 6.7.0 through 6.9.1 ) contains a memory leak vulnerability within its C extension . Specifically, the multidict_itemsview_or2_impl and multidict_itemsview_sub1_impl functions fail to release new key-identity and value references during reflected union (operand | d....

CVE-2026-104874 Multidict: Reference leak in CIMultiDict/MultiDict items-view union and subtraction

Multidict is an implementation of a multidict data structure. From 6.7.0 until 6.9.1, the C extension's items-view reflected union operation, operand | d.items, in multidictitemsviewor2impl and subtraction operation, d.items - operand, in multidictitemsviewsub1impl fail to release new key-identit...

EUVD-2026-91800

Multidict is an implementation of a multidict data structure. From 6.7.0 until 6.9.1, the C extension's items-view reflected union operation, operand | d.items, in multidictitemsviewor2impl and subtraction operation, d.items - operand, in multidictitemsviewsub1impl fail to release new key-identit...