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CVE-2026-1998

micropython runtime.c mp_import_all memory corruption

CVSS 4.8 MEDIUMEPSS 0.2%CWE-119
A flaw has been found in micropython up to 1.27.0. This vulnerability affects the function mp_import_all of the file py/runtime.c. This manipulation causes memory corruption. The attack needs to be launched locally. The exploit has been published and may be used. Patch name: 570744d06c5ba9dba59b4c3f432ca4f0abd396b6. It is suggested to install a patch to address this issue.
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
Produtos afetados
n/a · micropython

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Referências
https://github.com/dpgeorge/micropython/commit/570744d06c5ba9dba59b4c3f432ca4f0abd396b6https://github.com/micropython/micropython/https://github.com/micropython/micropython/issues/18639https://github.com/micropython/micropython/issues/18639#issue-3780651410https://github.com/micropython/micropython/pull/18671https://vuldb.com/?ctiid.344546https://vuldb.com/?id.344546https://vuldb.com/?submit.743396