CVE-2023-7158

A vulnerability was found in MicroPython up to 1.21.0. It has been classified as critical. Affected is the function slice_indices of the file objslice.c. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 1.22.0 is able to address this issue. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-249180.

• CWE-122
• CWE-787

• https://github.com/micropython/micropython/issues/13007Exploit, Issue Tracking
• https://github.com/micropython/micropython/pull/13039Issue Tracking
• https://github.com/micropython/micropython/pull/13039/commits/f397a3ec318f3ad05aa287764ae7cef32202380fPatch
• https://github.com/micropython/micropython/releases/tag/v1.22.0Release Notes
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4E2HYWCZB5R4SHY4SZZZSFDMD64N4SOZ/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/D3WWY5JY4RTJE25APB4REGDUDPATG6H7/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TEK46QAJOXXDZOWOIE2YACUOCZFWOBCK/
• https://vuldb.com/?ctiid.249180Permissions Required, Third Party Advisory
• https://vuldb.com/?id.249180Third Party Advisory
• https://github.com/micropython/micropython/issues/13007Exploit, Issue Tracking
• https://github.com/micropython/micropython/pull/13039Issue Tracking
• https://github.com/micropython/micropython/pull/13039/commits/f397a3ec318f3ad05aa287764ae7cef32202380fPatch
• https://github.com/micropython/micropython/releases/tag/v1.22.0Release Notes
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4E2HYWCZB5R4SHY4SZZZSFDMD64N4SOZ/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/D3WWY5JY4RTJE25APB4REGDUDPATG6H7/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TEK46QAJOXXDZOWOIE2YACUOCZFWOBCK/
• https://vuldb.com/?ctiid.249180Permissions Required, Third Party Advisory
• https://vuldb.com/?id.249180Third Party Advisory

Published

Dec 29, 2023

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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