low3.3
CVE-2026-1998
A flaw has been found in micropython up to 1.27.0.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Micropython | Micropython | through 1.27.0 |
Weakness classification
References
- NVD record
- CVE.org record
- https://github.com/dpgeorge/micropython/commit/570744d06c5ba9dba59b4c3f432ca4f0abd396b6
- https://github.com/micropython/micropython/
- https://github.com/micropython/micropython/issues/18639
- https://github.com/micropython/micropython/issues/18639#issue-3780651410
- https://github.com/micropython/micropython/pull/18671
- https://vuldb.com/?ctiid.344546
- https://vuldb.com/?id.344546
- https://vuldb.com/?submit.743396