CVE-2026-1998 | BDVDB-2026-314150 Detail
micropython
Description#
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.
Impact#
Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact low. Attack vector: local.
Weaknesses#
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References#
- https://vuldb.com/?id.344546
- https://vuldb.com/?ctiid.344546
- https://vuldb.com/?submit.743396
- https://github.com/micropython/micropython/issues/18639
- https://github.com/micropython/micropython/pull/18671
- https://github.com/micropython/micropython/issues/18639#issue-3780651410
- https://github.com/dpgeorge/micropython/commit/570744d06c5ba9dba59b4c3f432ca4f0abd396b6
- https://github.com/micropython/micropython/
Exploit#
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.