CVE-2026-3298

ADVISORY - nist

Summary

The method "sock_recvfrom_into()" of "asyncio.ProacterEventLoop" (Windows only) was missing a boundary check for the data buffer when using nbytes parameter. This allowed for an out-of-bounds buffer write if data was larger than the buffer size. Non-Windows platforms are not affected.

EPSS Score: 0.0005 (0.157)

Common Weakness Enumeration (CWE)

ADVISORY - nist

Out-of-bounds Write


Docker

CREATED

UPDATED

ADVISORY ID

CVE-2026-3298

EXPLOITABILITY SCORE

-

EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-
RATING UNAVAILABLE FROM ADVISORY
PackageTypeOS NameOS VersionAffected RangesFix Versions
pythondhi-->=0Not yet available
alpine/python-3.10apkalpine3.23>=0Not yet available
alpine/python-3.11apkalpine3.23>=0Not yet available
alpine/python-3.12apkalpine3.23>=0Not yet available
alpine/python-3.13apkalpine3.23>=0Not yet available
alpine/python-3.14apkalpine3.23>=0Not yet available

Severity and metrics

No CVSS data available from this advisory.

NIST

CREATED

UPDATED

ADVISORY IDCVE-2026-3298
EXPLOITABILITY SCORE

-

EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)

CVSS SCORE

8.8high

Debian

CREATED

UPDATED

ADVISORY IDCVE-2026-3298
EXPLOITABILITY SCORE

-

EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Alow

Ubuntu

CREATED

UPDATED

ADVISORY IDCVE-2026-3298
EXPLOITABILITY SCORE

-

EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Amedium

Bitnami

CREATED

UPDATED

ADVISORY ID

BIT-libpython-2026-3298

EXPLOITABILITY SCORE

-

EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

8.8high

Bitnami

CREATED

UPDATED

ADVISORY ID

BIT-python-2026-3298

EXPLOITABILITY SCORE

-

EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

8.8high

Bitnami

CREATED

UPDATED

ADVISORY ID

BIT-python-min-2026-3298

EXPLOITABILITY SCORE

-

EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

8.8high