CVE-2026-39834

Katalog CVE

CVSS 9.1 · Critical EPSS 0,64%

Kerentanan Integer Overflow or Wraparound pada golang crypto. Skor CVSS 3.1 9.1 (Critical) menurut CISA ADP.

Deskripsi (NVD)

When writing data larger than 4GB in a single Write call on an SSH channel, an integer overflow in the internal payload size calculation caused the write loop to spin indefinitely, sending empty packets without making progress. The size comparison now uses int64 to prevent truncation.

Rincian

Terbit di NVD

22 Mei 2026

Terakhir diubah

23 Juli 2026

Status NVD

Analyzed

CVSS 3.1

9.1 (Critical), sumber CISA ADP
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-190: Integer Overflow or Wraparound

EPSS (30 hari)

0,64% peluang dieksploitasi; lebih tinggi dari 49,1% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://pkg.go.dev/vuln/GO-2026-5020 advisory vendor
• https://go.dev/cl/781663 issue tracking
• https://go.dev/issue/79567 issue tracking
• https://groups.google.com/g/golang-announce/c/a082jnz-LvI mailing list