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CVE-2026-1998: Improper Restriction of Operations within the Bounds of a Memory Buffer

🗓️ 06 Feb 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com

Local memory corruption in micropython up to 1.27.0 via mp_import_all in py/runtime.c.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-1998
6 Feb 202606:02
–attackerkb
alpinelinux
AlpineLinux
CVE-2026-1998
6 Feb 202606:02
–alpinelinux
cnnvd
CNNVD
MicroPython 缓冲区错误漏洞
6 Feb 202600:00
–cnnvd
cve
CVE
CVE-2026-1998
6 Feb 202606:02
–cve
cvelist
Cvelist
CVE-2026-1998 micropython runtime.c mp_import_all memory corruption
6 Feb 202606:02
–cvelist
debiancve
Debian CVE
CVE-2026-1998
6 Feb 202606:02
–debiancve
euvd
EUVD
EUVD-2026-5694
6 Feb 202606:02
–euvd
fedora
Fedora
[SECURITY] Fedora 44 Update: micropython-1.28.0-1.fc44
25 Apr 202601:56
–fedora
fedora
Fedora
[SECURITY] Fedora 43 Update: micropython-1.28.0-1.fc43
16 Apr 202600:56
–fedora
nessus
Tenable Nessus
Fedora 43 : micropython (2026-29f4f47ade)
16 Apr 202600:00
–nessus
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29 Apr 2026 00:00Current
4.5Medium risk
Vulners AI Score4.5
CVSS 44.8
CVSS 3.13.3 - 5.5
CVSS 21.7
CVSS 33.3
EPSS0.00215
SSVC
0