CVE-2026-107183

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Source
https://cve.org/CVERecord?id=CVE-2026-107183
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-107183.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-107183
Downstream
Published
2026-10-07T13:35:41Z
Modified
2026-10-09T02:49:21Z
Severity
  • 9.2 (Critical) CVSS_V4 - CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVSS Calculator
Summary
llama.cpp before b11393 Use-After-Free via common_chat_peg_mapper chat_parser
Details

llama.cpp before b11393 contains a use-after-free and double free vulnerability in common_chat_peg_mapper::map that allows unauthenticated remote attackers to corrupt heap memory via a dangling current_tool pointer. Attackers can submit a chat_parser in a POST /completion request emitting a tool-id after a tool-close tag to crash llama-server and shape a heap write primitive.

Database specific 
{
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
        "CWE-416"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/107xxx/CVE-2026-107183.json"
}
References

Affected packages

Git / github.com/ggml-org/llama.cpp

Affected ranges

Type
GIT
Repo
https://github.com/ggml-org/llama.cpp
Events
Introduced
566059a26b0ce8faec4ea053605719d399c64cc5
Fixed
dbe4c3ed42343f0a7ba0fd7e808ffeaca404d29f
Database specific
Show details 
{
    "extracted_events": [
        {
            "introduced": "b8227"
        },
        {
            "fixed": "b11393"
        },
        {
            "introduced": "llama.cpp"
        }
    ],
    "source": [
        "AFFECTED_FIELD",
        "DESCRIPTION",
        "REFERENCES"
    ]
}

Affected versions

Other
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gguf-v0.*
gguf-v0.19.0
v0.*
v0.1.0
v0.1.1
v0.1.2
v0.2.0
v0.3.0
v0.4.0
v0.4.1
v0.5.0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-107183.json"