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CVE-2026-43628: llama.cpp from b3978 (inclusive), through b9058 (inclusive), b3978 through b9058, 0.11.0 through 0.17.1
CVE-2026-43628. CVSS 3.1 base score 7.8 (HIGH, Vendor/CNA). EPSS 0.00234 (percentile 0.13533), scored 22-Oct-2026.
Affected technology
llama.cpp · from b3978 (inclusive), through b9058 (inclusive)
ggml
llama.cpp · b3978 through b9058, 0.11.0 through 0.17.1
ggml-org
Description’s affected range: through b9058
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 4.0): Local · No privileges required · Passive user interaction
What an attacker can do
Unauthenticated attackers can trigger a heap buffer underflow by sending a crafted HTTP request with dry_allowed_length set to INT32_MIN to the /v1/completions or /v1/chat/completions endpoints. Vendor/CNA’s CVSS 4.0 assessment (base score 8.5/10) rates confidentiality, integrity and availability impact as high.
- CWE
- CWE-125, CWE-191
- CCR priority
- 31.3 /100 (P4)
- CVSS 3.1
- 7.8 /10 · CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H · Vendor/CNA
- EPSS
- 0.00234 · percentile 0.13533 · 2026-10-22
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-24 01:40:49.068977+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-43628.html