Medium
llama.cpp — security advisory
A vulnerability was detected in ggml-org llama.cpp up to 0.4.0. This impacts the function rpc_server::deserialize_tensor of the file ggml/src/ggml-rpc/ggml-rpc.cpp of the component RPC Server. Performing a manipulation of the argument ne results in reachable assertion. The attack is possible to be carried out remotely. The reported GitHub issue was closed automatically due to inactivity.
- Products
- llama.cpp
- Affected versions
- 10438+dfsg-1, 10438+dfsg-1ubuntu1, 5882+dfsg-2, 8064+dfsg-1ubuntu1, 8681+dfsg-1, 9721+dfsg-1ubuntu1
- Fixed versions
- Not specified
- CVEs
- CVE-2026-86317
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 03:24 UTC · Revision 1
Source evidence
A vulnerability was detected in ggml-org llama.cpp up to 0.4.0. This impacts the function rpc_server::deserialize_tensor of the file ggml/src/ggml-rpc/ggml-rpc.cpp of the component RPC Server. Performing a manipulation of the argument ne results in reachable assertion. The attack is possible to be carried out remotely. The reported GitHub issue was closed automatically due to inactivity.
osv:UBUNTU-CVE-2026-86317
llama.cpp
Fixed versions: Not specified
llama.cpp
Fixed versions: Not specified
Complete source record
{
"id": "ba08012a5a512f7169374e06ffce8e6bd4069a91ea385990f9d75e86d6d1defd",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2026-86317",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2026-86317",
"summary": "A vulnerability was detected in ggml-org llama.cpp up to 0.4.0. This impacts the function rpc_server::deserialize_tensor of the file ggml/src/ggml-rpc/ggml-rpc.cpp of the component RPC Server. Performing a manipulation of the argument ne results in reachable assertion. The attack is possible to be carried out remotely. The reported GitHub issue was closed automatically due to inactivity.",
"evidence": "osv:UBUNTU-CVE-2026-86317",
"products": [
{
"name": {
"value": "llama.cpp",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "8681+dfsg-1",
"evidence": "/affected/0/versions"
},
{
"value": "9721+dfsg-1ubuntu1",
"evidence": "/affected/0/versions"
},
{
"value": "10438+dfsg-1",
"evidence": "/affected/0/versions"
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{
"value": "10438+dfsg-1ubuntu1",
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{
"name": {
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"evidence": "/affected/1/package/name"
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"affected_versions": [
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"evidence": "/affected/1/versions"
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{
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"evidence": "/affected/1/versions"
},
{
"value": "8681+dfsg-1",
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],
"severity": "medium",
"structured": {
"id": "UBUNTU-CVE-2026-86317",
"aliases": [
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],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"
},
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"
},
{
"type": "Ubuntu",
"score": "medium"
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],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
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"package": {
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"purl": "pkg:deb/ubuntu/llama.cpp?arch=source&distro=stonking",
"ecosystem": "Ubuntu:26.10"
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"versions": [
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"9721+dfsg-1ubuntu1",
"10438+dfsg-1",
"10438+dfsg-1ubuntu1"
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"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-86317.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libllama0",
"binary_version": "10438+dfsg-1ubuntu1"
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{
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{
"binary_name": "llama.cpp-examples",
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},
{
"binary_name": "llama.cpp-services",
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{
"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"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "llama.cpp",
"purl": "pkg:deb/ubuntu/llama.cpp?arch=source&distro=resolute",
"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
"5882+dfsg-2",
"8064+dfsg-1ubuntu1",
"8681+dfsg-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-86317.json"
},
"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"
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{
"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",
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{
"binary_name": "python3-gguf",
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}
],
"modified": "2026-10-17T13:01:13.721961125Z",
"provider": "osv",
"upstream": [
"CVE-2026-86317"
],
"references": [
"https://ubuntu.com/security/CVE-2026-86317",
"https://www.cve.org/CVERecord?id=CVE-2026-86317",
"https://github.com/ggml-org/llama.cpp/issues/25288"
]
},
"related_cves": [
{
"value": "CVE-2026-86317",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/1/score"
},
"source_id": "core-osv",
"document_id": 361319,
"published_at": "2026-09-07T15:17:00+00:00"
}