EricLBuehler Mistral.rs GGUF Tokenizer gguf_tokenizer.rs convert_gguf_to_hf_tokenizer out-of-bounds
Summary
| CVE | CVE-2026-75090 |
|---|---|
| State | PUBLISHED |
| Assigner | VulDB |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-08-18 02:17:30 UTC |
| Updated | 2026-08-20 12:48:10 UTC |
| 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. |
Risk And Classification
Primary CVSS: v4.0 2.1 LOW from [email protected]
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/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
EPSS: 0.005150000 probability, percentile 0.417330000 (date 2026-08-20)
Problem Types: CWE-119 | CWE-125 | CWE-125 Out-of-Bounds Read | CWE-119 Memory Corruption
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | [email protected] | Secondary | 2.1 | LOW | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/C... |
| 4.0 | CNA | DECLARED | 5.3 | MEDIUM | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P |
| 3.1 | [email protected] | Secondary | 4.3 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L |
| 3.1 | CNA | DECLARED | 4.3 | MEDIUM | 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 |
| 3.0 | CNA | DECLARED | 4.3 | MEDIUM | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C |
| 2.0 | [email protected] | Secondary | 5 | AV:N/AC:L/Au:N/C:N/I:N/A:P | |
| 2.0 | CNA | DECLARED | 5 | AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:OF/RC:C |
CVSS v4.0 Breakdown
Attack Vector
NetworkAttack Complexity
LowAttack Requirements
NonePrivileges Required
NoneUser Interaction
PassiveConfidentiality
NoneIntegrity
NoneAvailability
LowSub Conf.
NoneSub Integrity
NoneSub Availability
NoneCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/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
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
RequiredScope
UnchangedConfidentiality
NoneIntegrity
NoneAvailability
LowCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
CVSS v3.0 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
RequiredScope
UnchangedConfidentiality
NoneIntegrity
NoneAvailability
LowCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | EricLBuehler | Mistral.rs | affected 0.8.0 | Not specified |
| CNA | EricLBuehler | Mistral.rs | affected 0.8.1 | Not specified |
| CNA | EricLBuehler | Mistral.rs | affected 0.8.2 | Not specified |
| CNA | EricLBuehler | Mistral.rs | affected 0.8.3 | Not specified |
| CNA | EricLBuehler | Mistral.rs | affected 0.8.4 | Not specified |
| CNA | EricLBuehler | Mistral.rs | affected 0.8.5 | Not specified |
| CNA | EricLBuehler | Mistral.rs | affected 0.8.6 | Not specified |
| CNA | EricLBuehler | Mistral.rs | affected 0.8.7 | Not specified |
| CNA | EricLBuehler | Mistral.rs | affected 0.8.8 | Not specified |
| CNA | EricLBuehler | Mistral.rs | affected 0.8.9 | Not specified |
| CNA | EricLBuehler | Mistral.rs | affected 0.8.10 | Not specified |
| CNA | EricLBuehler | Mistral.rs | affected 0.8.11 | Not specified |
| CNA | EricLBuehler | Mistral.rs | affected 0.8.12 | Not specified |
| CNA | EricLBuehler | Mistral.rs | affected 0.8.13 | Not specified |
| CNA | EricLBuehler | Mistral.rs | affected 0.8.14 | Not specified |
| CNA | EricLBuehler | Mistral.rs | affected 0.8.15 | Not specified |
| CNA | EricLBuehler | Mistral.rs | affected 0.8.16 | Not specified |
| CNA | EricLBuehler | Mistral.rs | affected 0.8.17 | Not specified |
| CNA | EricLBuehler | Mistral.rs | affected 0.8.18 | Not specified |
| CNA | EricLBuehler | Mistral.rs | affected 0.8.19 | Not specified |
| CNA | EricLBuehler | Mistral.rs | affected 0.8.20 | Not specified |
| CNA | EricLBuehler | Mistral.rs | affected 0.8.21 | Not specified |
| CNA | EricLBuehler | Mistral.rs | affected 0.8.22 | Not specified |
| CNA | EricLBuehler | Mistral.rs | unaffected 0.8.23 | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| github.com/EricLBuehler/mistral.rs/releases/tag/v0.8.23 | [email protected] | github.com | |
| vuldb.com/vuln/391327/cti | [email protected] | vuldb.com | |
| github.com/EricLBuehler/mistral.rs | [email protected] | github.com | |
| github.com/EricLBuehler/mistral.rs/commit/cd5297e2ea5cb27c790bdcf2f3c2f1... | [email protected] | github.com | |
| vuldb.com/submit/877270 | [email protected] | vuldb.com | |
| github.com/EricLBuehler/mistral.rs/issues/2225 | [email protected] | github.com | |
| vuldb.com/cve/CVE-2026-75090 | [email protected] | vuldb.com | |
| github.com/EricLBuehler/mistral.rs/pull/2282 | [email protected] | github.com | |
| vuldb.com/vuln/391327 | [email protected] | vuldb.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: m00dy (VulDB User) (en)
Additional Advisory Data
| Source | Time | Event |
|---|---|---|
| CNA | 2026-08-17T00:00:00.000Z | Advisory disclosed |
| CNA | 2026-08-17T02:00:00.000Z | VulDB entry created |
| CNA | 2026-08-17T18:41:22.000Z | VulDB entry last update |
There are currently no legacy QID mappings associated with this CVE.