CVE-2026-43632

Katalog CVE

CVSS 8.1 · High EPSS 0,48%

Kerentanan Time-of-check Time-of-use (TOCTOU) Race Condition pada ggml llama.cpp. Skor CVSS 3.1 8.1 (High) menurut vulncheck.com.

Deskripsi (NVD)

llama.cpp builds b7492 through the latest b9060 contains a use-after-free vulnerability in llama-server affecting six tokenization endpoints (/tokenize, /detokenize, /infill, /apply-template, /rerank, and /anthropic/count_tokens) that bypass the task queue and access ctx_server.vocab directly on HTTP worker threads. Attackers can exploit a time-of-check-time-of-use race condition where the main thread destroys and frees vocab after the synchronization lock is released but before the handler finishes using it, causing a crash or potential code execution when --sleep-idle-seconds is configured.

Rincian

Terbit di NVD

6 Agustus 2026

Terakhir diubah

21 September 2026

Status NVD

Analyzed

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition
CWE-416: Use After Free

EPSS (30 hari)

0,48% peluang dieksploitasi; lebih tinggi dari 39,4% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/Vladimir-tokarev-cyera/llama-cpp-security-patches patch · advisory pihak ketiga
• https://www.vulncheck.com/advisories/llama-cpp-b7492-b9060-use-after-free-in-tokenization-endpoints patch · advisory pihak ketiga