CVE-2026-75090EricLBuehler Mistral.rs GGUF Tokenizer gguf_tokenizer.rs convert_gguf_to_hf_tokenizer out-of-bounds
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A vulnerability was detected in EricLBuehler Mistral.rs up to 0.8.22. Affected by this issue is the function convert_gguf_to_hf_tokenizer of the file mistralrs-core/src/gguf/gguf_tokenizer.rs of the component GGUF Tokenizer. The manipulation of the argument eos_token_id/bos_token_id/unknown_token_id results in out-of-bounds read. The attack can be executed remotely. The exploit is now public and may be used. Upgrading to version 0.8.23 can resolve this issue. The patch is identified as cd5297e2ea5cb27c790bdcf2f3c2f1064a81d55e. Upgrading the affected component is recommended.
- CVSS
- 4.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
- Weakness (CWE)
- CWE-125, CWE-119
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Deferred
- Record last updated
- Aug 18, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
EricLBuehler Mistral.rs ericlbuehler:mistral.rs | 0.8.0; 0.8.1; 0.8.2; 0.8.3; 0.8.4; 0.8.5; 0.8.6; 0.8.7; and 16 more ranges | CNA record |
References
- https://vuldb.com/vuln/391327vdb-entry, technical-description
- https://vuldb.com/vuln/391327/ctisignature, permissions-required
- https://vuldb.com/cve/CVE-2026-75090third-party-advisory
- https://vuldb.com/submit/877270third-party-advisory
- https://github.com/EricLBuehler/mistral.rs/issues/2225exploit, issue-tracking
- https://github.com/EricLBuehler/mistral.rs/pull/2282issue-tracking, patch
- https://github.com/EricLBuehler/mistral.rs/commit/cd5297e2ea5cb27c790bdcf2f3c2f1064a81d55epatch
- https://github.com/EricLBuehler/mistral.rs/releases/tag/v0.8.23patch
- https://github.com/EricLBuehler/mistral.rs/product
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.