CVE-2026-75090

EricLBuehler Mistral.rs GGUF Tokenizer gguf_tokenizer.rs convert_gguf_to_hf_tokenizer out-of-bounds

MEDIUM
4.3
CVSS Score
Published: August 18, 2026 at 01:15 AM UTC
Updated: October 22, 2026 at 10:10 PM UTC
1 product affected across 1 vendorMistral.rs

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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.7%
SSVC
PoC

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (9)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/391327
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/391327/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-75090
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/877270
ExploitIssue Tracking
Source: cverecord
https://github.com/EricLBuehler/mistral.rs/issues/2225
Issue TrackingPatch
Source: cverecord
https://github.com/EricLBuehler/mistral.rs/pull/2282

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-125CWE-119

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