CVE-2026-3298

Katalog CVE

CVSS 8.8 · High EPSS 0,60%

Kerentanan Out-of-bounds Write. Skor CVSS 4.0 8.8 (High) menurut python.org.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD

21 April 2026

Terakhir diubah

13 Agustus 2026

Status NVD

Awaiting Analysis

CVSS 4.0

8.8 (High), sumber python.org
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-787: Out-of-bounds Write

EPSS (30 hari)

0,60% peluang dieksploitasi; lebih tinggi dari 47,4% CVE lain

Produk dan versi terdampak

NVD belum mencantumkan data produk (CPE) untuk CVE ini. Produk yang terdampak biasanya disebut di deskripsi dan di advisory vendor pada daftar referensi.

Referensi dan perbaikan

• https://github.com/python/cpython/commit/1274766d3c29007ab77245a72abbf8dce2a9db4d
• https://github.com/python/cpython/commit/27522b7d6e6588f03e61099dd858cd5a9314e2f2
• https://github.com/python/cpython/commit/6c8b85b3f1d83d5697ec19880960e1eacee56688
• https://github.com/python/cpython/commit/95633d2aad4721e25e4dfd9f43dfb6e1edcbd741
• https://github.com/python/cpython/commit/f5ca38739241fe7a40a4b116d5a8a1364dd6fea7
• https://github.com/python/cpython/issues/148808
• https://github.com/python/cpython/pull/148809
• https://mail.python.org/archives/list/security-announce@python.org/thread/KWTPIQBOOOUNQP7UFSLBI437NJDFLA3F/