CVE-2026-1998— micropython runtime.c mp_import_all memory corruption
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2026-1998
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗ Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
micropython runtime.c mp_import_all memory corruption
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
内存缓冲区边界内操作的限制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
MicroPython 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MicroPython是MicroPython开源的一个小型的开源Python编程语言解释器。 MicroPython 1.27.0及之前版本存在缓冲区错误漏洞，该漏洞源于对文件py/runtime.c中函数mp_import_all的错误操作，可能导致内存损坏。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | micropython | 1.0 | cpe:2.3:a:micropython:micropython:*:*:*:*:*:*:*:* |
II. Public POCs for CVE-2026-1998
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-1998
Please Login to view more intelligence information
Same Patch Batch · n/a · 2026-02-06 · 10 CVEs total
| CVE-2026-2062 | 5.3 MEDIUM | Open5GS PGW S5U Address sgwc_sxa_handle_session_modification_response null pointer derefer |
| CVE-2026-1979 | 5.3 MEDIUM | mruby JMPNOT-to-JMPIF Optimization vm.c mrb_vm_exec use after free |
| CVE-2026-1976 | 5.3 MEDIUM | Free5GC SMF SessionDeletionResponse null pointer dereference |
| CVE-2026-1975 | 5.3 MEDIUM | Free5GC pfcp_reports.go identityTriggerType null pointer dereference |
| CVE-2026-1974 | 5.3 MEDIUM | Free5GC SMF datapath.go ResolveNodeIdToIp denial of service |
| CVE-2026-1973 | 5.3 MEDIUM | Free5GC SMF establishPfcpSession null pointer dereference |
| CVE-2026-1991 | 3.3 LOW | libuvc UVC Descriptor device.c uvc_scan_streaming null pointer dereference |
| CVE-2026-1990 | 3.3 LOW | oatpp Type.hpp ObjectWrapper null pointer dereference |
| CVE-2025-70963 | GoPhish 安全漏洞 |
IV. Related Vulnerabilities
Same product: micropython
- CVE-2024-8948
MicroPython objint.c mpz_as_bytes heap-based overflow - CVE-2024-8947
MicroPython objarray.c use after free - CVE-2024-8946
MicroPython VFS Unmount vfs.c mp_vfs_umount heap-based overf - CVE-2023-7158
MicroPython objslice.c slice_indices heap-based overflow - CVE-2023-7152
MicroPython modselect.c poll_set_add_fd use after free
Same vendor: n/a
- CVE-2026-6667
PgBouncer missing authorization check in KILL_CLIENT admin c - CVE-2026-6666
PgBouncer crash in kill_pool_logins_server_error - CVE-2026-6665
PgBouncer buffer overflow in SCRAM - CVE-2026-6664
PgBouncer integer overflow in PgBouncer network packet parsi - CVE-2026-8127
eladmin Users API Endpoint UserController.java checkLevel ac
Same weakness: CWE-119
- CVE-2026-22167
GPU DDK - Cache resident PM buffers writable by other GPU re - CVE-2026-27890
Firebird has Pre-Auth DOS when Processing Out of Order CNCT_ - CVE-2026-34864
Huawei HarmonyOS 安全漏洞 - CVE-2026-4149
Sonos Era 300 SMB Response Out-Of-Bounds Access Remote Code - CVE-2026-34988
Wasmtime leaks data between pooling allocator instances
V. Comments for CVE-2026-1998
No comments yet