CVE-2026-17500 | A vulnerability was detected in ggml-org llama.cpp d006858/e… | CVSS 5.3 MEDIUM

Description

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.

Metadata

CVE ID: CVE-2026-17500
State: PUBLISHED
Assigner: VulDB
Reserved: 2026-07-26 17:33 UTC
Published: 2026-07-27 00:15 UTC
Last updated: 2026-07-27 00:15 UTC
Primary CWE: CWE-476
NULL Pointer Dereference
Vendor / Product: ggml-org / llama.cpp
Sources: cve.org · NVD

Severity & Metrics

5.3 MEDIUM CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:X/RL:X/RC:R

Affected products (1)

Vendor	Product	Platform	Versions
ggml-org	llama.cpp	—	d006858, e15efe0

Weakness (CWE)

CWE	Source	Description
CWE-404	cna	Denial of Service
CWE-476	cna	NULL Pointer Dereference

CVSS scores (4)

Score	Severity	Version	Source	Vector
6.9	MEDIUM	4.0	cna	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
5.3	MEDIUM	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:X/RL:X/RC:R
5.3	MEDIUM	3.0	cna	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:X/RL:X/RC:R
5.0	N/D	2.0	cna	AV:N/AC:L/Au:N/C:N/I:N/A:P/E:ND/RL:ND/RC:UR

References (7)

VDB-383353 | ggml-org llama.cpp json-schema-to-grammar.cpp _visit_pattern null pointer dereference https://vuldb.com/vuln/383353
VDB-383353 | CTI Indicators (IOB, IOC, IOA) https://vuldb.com/vuln/383353/cti
CVE-2026-17500 | CVE Analysis and Report https://vuldb.com/cve/CVE-2026-17500
Submit #798503 | ggml-org llama.cpp confirmed on commit d006858 / 2025-04-03 and commit e15efe0 / tag b8635+1) Reachable Assertion https://vuldb.com/submit/798503
https://github.com/ggml-org/llama.cpp/issues/25284
https://github.com/ggml-org/llama.cpp/pull/25308
https://github.com/ggml-org/llama.cpp/