CVE-2020-5234: messagepack

csirt@kutim:~/threat-intel/cve/CVE-2020-5234

CVSS 6.5 · Medium EPSS 1,6%

Kerentanan Stack-based Buffer Overflow pada messagepack. Skor CVSS 3.1 6.5 (Medium) menurut NVD.

Deskripsi (NVD)

MessagePack for C# and Unity before version 1.9.11 and 2.1.90 has a vulnerability where untrusted data can lead to DoS attack due to hash collisions and stack overflow. Review the linked GitHub Security Advisory for more information and remediation steps.

Rincian

Terbit di NVD: 31 Januari 2020
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 6.5 (Medium), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-121: Stack-based Buffer Overflow
CWE-787: Out-of-bounds Write
EPSS (30 hari): 1,6% peluang dieksploitasi; lebih tinggi dari 74,8% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
messagepack	messagepack	Semua versi sebelum 1.9.3
messagepack	messagepack	Versi 2.0.323 hingga sebelum 2.1.80
messagepack	messagepack	Versi 2.0.94 alpha
messagepack	messagepack	Versi 2.0.110 alpha
messagepack	messagepack	Versi 2.0.119 beta
messagepack	messagepack	Versi 2.0.123 beta
messagepack	messagepack	Versi 2.0.204 beta
messagepack	messagepack	Versi 2.0.270 rc
messagepack	messagepack	Versi 2.0.299 rc

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://github.com/neuecc/MessagePack-CSharp/commit/56fa86219d01d0a183babbbbcb34abbdea588a02 patch · advisory pihak ketiga
https://github.com/neuecc/MessagePack-CSharp/security/advisories/GHSA-7q36-4xx7-xcxf advisory pihak ketiga
https://github.com/neuecc/MessagePack-CSharp/commit/f88684078698386df02204f13faeff098a61f007
https://github.com/neuecc/MessagePack-CSharp/issues/810

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:10 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.