Description
A security flaw has been discovered in ggml-org llama.cpp up to 0.7.0. Affected by this vulnerability is an unknown functionality of the file src/llama-sampler.cpp of the component Mirostat Sampler. The manipulation results in reachable assertion. It is possible to launch the attack remotely. The project was informed of the problem early through a pull request but has not reacted yet.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| ggml-org | llama.cpp | 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7.0 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | llama.cpp | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | llama.cpp | No fix yet | — |
| Ubuntu 26.04 LTS | llama.cpp | No fix yet | — |
References
- VDB-426361 | ggml-org llama.cpp Mirostat Sampler llama-sampler.cpp assertion vdb-entry
- VDB-426361 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- CVE-2026-116467 | CVE Analysis and Report third-party-advisory
- Submit #1013917 | ggml-org llama.cpp 2ed93db47 and earlier (fixed in PR #29992) CWE-617 (Reachable Assertion) third-party-advisory
- https://github.com/ggml-org/llama.cpp/pull/29992 issue-tracking patch
- https://github.com/ggml-org/llama.cpp/ product