Null Pointer Dereference Vulnerability in ggml-org Llama.cpp Product
CVE-2026-17500

6.9MEDIUM

Key Information:

Vendor

Ggml-org

Status
Llama.cpp
Vendor
CVE Published:
27 July 2026

What is CVE-2026-17500?

A null pointer dereference vulnerability exists in the ggml-org llama.cpp project within the _visit_pattern function located in common/json-schema-to-grammar.cpp. This vulnerability allows an attacker to exploit the system remotely, leading to potential disruptions or crashes. A pull request has been submitted to rectify this issue, and its acceptance is pending. Users of affected versions are advised to monitor updates and apply patches as they become available.

Affected Version(s)

llama.cpp d006858

llama.cpp e15efe0

References

https://vuldb.com/vuln/383353
vdb-entrytechnical-description
https://vuldb.com/vuln/383353/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-17500
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

m00dy (VulDB User)
VulDB CNA Team
.