CVE-2026-17500
ggml-org llama.cpp json-schema-to-grammar.cpp _visit_pattern null pointer dereference
02 Description
ggml-org llama.cpp json-schema-to-grammar.cpp _visit_pattern null pointer dereference
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.72% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 53.5% of scored records. A rank, not a probability.
- NVD base score
- 6.9 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS 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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- NVD analysis status
- Deferred. NVD last modified this record on 2026-10-24.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-07-27 00:15Z3 MO AGO
- Last updated
- 2026-07-27 18:03Z3 MO AGO
- Reserved
- 2026-07-26
- Assigning CNA
- VulDB
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 6.9)
- CNA CVSS 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
- Weaknesses
- Data version
- 5.2
- Document digest
- 690e7980c5a74227759fe93eafe13ab71f88cbaec6ee0869d8fe76d4197e571c
05 Affected products
06 References
- vuldb.comVDB-383353 | ggml-org llama.cpp json-schema-to-grammar.cpp _visit_pattern null pointer dereferencehttps://vuldb.com/vuln/383353
- vuldb.comVDB-383353 | CTI Indicators (IOB, IOC, IOA)https://vuldb.com/vuln/383353/cti
- vuldb.comCVE-2026-17500 | CVE Analysis and Reporthttps://vuldb.com/cve/CVE-2026-17500
- vuldb.comSubmit #798503 | ggml-org llama.cpp confirmed on commit d006858 / 2025-04-03 and commit e15efe0 / tag b8635+1) Reachable Assertionhttps://vuldb.com/submit/798503
- github.comhttps://github.com/ggml-org/llama.cpp/issues/25284
- github.comhttps://github.com/ggml-org/llama.cpp/pull/25308
- github.comhttps://github.com/ggml-org/llama.cpp/
07 Fixed in
Debian 14
- llama.cpp No fix yet
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 26.04 LTS
- llama.cpp No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 26.10
- llama.cpp No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.