UBUNTU-CVE-2026-118375

Source
https://ubuntu.com/security/CVE-2026-118375
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-118375.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-118375
Upstream
Published
2026-10-28T03:17:00Z
Modified
2026-10-28T20:16:02Z
Severity
  • 8.1 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • 9.2 (Critical) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

llama.cpp b8841 before b11865 contains an out-of-bounds write vulnerability in the ggml-rpc RDMA transport rdma_recv() function that allows unauthenticated peers to overflow the rpc-server stack. Attackers advertising RDMA capabilities in the HELLO message can send up to 256 KiB into a 1-byte stack variable in rpc_serve_client(), crashing the server or potentially executing code.

References

Affected packages

Ubuntu:26.10 / llama.cpp

Package

Name
llama.cpp
Purl
pkg:deb/ubuntu/llama.cpp?arch=source&distro=stonking

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

Other
8681+dfsg-1
9721+dfsg-1ubuntu1
10438+dfsg-1
10438+dfsg-1ubuntu1

Ecosystem specific

{
    "binaries":  [
        {
            "binary_name":  "libllama0",
            "binary_version":  "10438+dfsg-1ubuntu1"
        },
        {
            "binary_name":  "llama.cpp",
            "binary_version":  "10438+dfsg-1ubuntu1"
        },
        {
            "binary_name":  "llama.cpp-examples",
            "binary_version":  "10438+dfsg-1ubuntu1"
        },
        {
            "binary_name":  "llama.cpp-services",
            "binary_version":  "10438+dfsg-1ubuntu1"
        },
        {
            "binary_name":  "llama.cpp-tests",
            "binary_version":  "10438+dfsg-1ubuntu1"
        },
        {
            "binary_name":  "llama.cpp-tools",
            "binary_version":  "10438+dfsg-1ubuntu1"
        },
        {
            "binary_name":  "llama.cpp-tools-extra",
            "binary_version":  "10438+dfsg-1ubuntu1"
        },
        {
            "binary_name":  "python3-gguf",
            "binary_version":  "10438+dfsg-1ubuntu1"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-118375.json"

Ubuntu:26.04:LTS / llama.cpp

Package

Name
llama.cpp
Purl
pkg:deb/ubuntu/llama.cpp?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

Other
5882+dfsg-2
8064+dfsg-1ubuntu1
8681+dfsg-1

Ecosystem specific

{
    "binaries":  [
        {
            "binary_name":  "libllama0",
            "binary_version":  "8681+dfsg-1"
        },
        {
            "binary_name":  "llama.cpp",
            "binary_version":  "8681+dfsg-1"
        },
        {
            "binary_name":  "llama.cpp-examples",
            "binary_version":  "8681+dfsg-1"
        },
        {
            "binary_name":  "llama.cpp-tests",
            "binary_version":  "8681+dfsg-1"
        },
        {
            "binary_name":  "llama.cpp-tools",
            "binary_version":  "8681+dfsg-1"
        },
        {
            "binary_name":  "llama.cpp-tools-extra",
            "binary_version":  "8681+dfsg-1"
        },
        {
            "binary_name":  "python3-gguf",
            "binary_version":  "8681+dfsg-1"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-118375.json"