CVE-2026-17500CWE-404CWE-476

ggml-org llama.cpp json-schema-to-grammar.cpp _visit_pattern null pointer dereference

Medium · published July 27, 2026

CVSS v4.0
6.9
EPSS
1%
Percentile
53.5
In the wild
Unconfirmed
What it is

A vulnerability was detected in ggml-org llama.cpp d006858/e15efe0. This affects the function _visit_pattern of the file common/json-schema-to-grammar.cpp. The manipulation results in null pointer dereference. The attack can be launched remotely. The pull request to fix this issue awaits acceptance.

The record
Technical detail
CVSS v4.0
6.9 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X
EPSS
0.00724 · 53.5th percentile
Weaknesses
CWE-404 · Improper Resource Shutdown or Release; CWE-476 · NULL Pointer Dereference
Published
2026-07-27T00:15Z
EPSS history
Timeline
  • 27 JUL 00:15Z
    ggml-org llama.cpp json-schema-to-grammar.cpp _visit_pattern null pointer dereference
    cvelistv5