CVE-2026-116840
Published:October 27, 2026
Updated:November 01, 2026
llama.cpp b5854 before b11275 contains an integer overflow vulnerability in gguf_init_from_reader that bypasses the CVE-2025-53630 size check when padding near-SIZE_MAX tensor sizes. Attackers can supply a crafted GGUF file whose tensor size pads to zero, causing an undersized data blob and out-of-bounds reads by consumers.
Affected Packages
llama-cpp (CONAN):
Affected version(s) =b6565 <0.6.0Fix Suggestion:
Update to version 0.6.0llama.cpp (CONDA):
Affected version(s) >=6191 <11351Fix Suggestion:
Update to version 11351https://github.com/ggml-org/llama.cpp.git (GITHUB):
Affected version(s) >=b5854 <b11275Fix Suggestion:
Update to version b11275https://github.com/ggml-org/llama.cpp.git (GITHUB):
Affected version(s) >=v0.1.0 <v0.6.0Fix Suggestion:
Update to version v0.6.0Related Resources (6)
Do you need more information?
Contact UsCVSS v4
Base Score:
6.9
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.1
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Integer Overflow or Wraparound
EPSS
Base Score:
0.13