CVE-2026-91948

Katalog CVE

CVSS 7.5 · High EPSS 0,59%

Kerentanan Integer Underflow (Wrap or Wraparound). Skor CVSS 3.1 7.5 (High) menurut vulncheck.com.

Deskripsi (NVD)

FreeRDP versions before 3.31.0 contain an out-of-bounds write vulnerability in server-side static virtual channel handling when CHANNEL_OPTION_SHOW_PROTOCOL is enabled. Authenticated clients can queue oversized channel messages that cause buffer underflow and corrupt heap memory including live pointers, potentially enabling code execution.

Rincian

Terbit di NVD

15 September 2026

Terakhir diubah

17 September 2026

Status NVD

Deferred

CVSS 3.1

7.5 (High), sumber vulncheck.com
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-191: Integer Underflow (Wrap or Wraparound)

EPSS (30 hari)

0,59% peluang dieksploitasi; lebih tinggi dari 46,7% 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/FreeRDP/FreeRDP/commit/40d9202cd95551600c07437ce6bd5ecd7d31e57b
• https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-9jcm-x588-gh26
• https://www.vulncheck.com/advisories/freerdp-before-3.31.0-out-of-bounds-write-via-show-protocol