CVE-2026-17501
Publication date 27 July 2026
Last updated 7 August 2026
Ubuntu priority
Description
A flaw has been found in ggml-org llama.cpp e15efe0. This vulnerability affects the function transform of the file common/json-schema-to-grammar.cpp of the component JSON-Schema-to-GBNF Conversion. This manipulation causes uncontrolled recursion. The attack may be initiated remotely. The pull request to fix this issue awaits acceptance.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| llama.cpp | 26.04 LTS resolute |
Needs evaluation
|
| 24.04 LTS noble | Not in release | |
| 22.04 LTS jammy | Not in release |
Severity score breakdown
CVSS version:
Base score
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
Base score
5.3 · Medium
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
References
Other references
- https://www.cve.org/CVERecord?id=CVE-2026-17501
- https://github.com/ggml-org/llama.cpp/issues/25283
- https://github.com/ggml-org/llama.cpp/pull/25308
- https://github.com/ggml-org/llama.cpp/
- https://vuldb.com/cve/CVE-2026-17501
- https://vuldb.com/submit/798504
- https://vuldb.com/vuln/383354
- https://vuldb.com/vuln/383354/cti