High
rccl — security advisory
Improper input validation in the AMD ROCm Communication Collectives Library (RCCL) could allow a compromised peer rank or network-adjacent attacker to dereference an attacker-controlled pointer, potentially resulting in remote code execution.
- Products
- rccl
- Affected versions
- 10.0-0ubuntu1, 5.3.3-2, 5.3.3-3, 5.4.3-1, 5.4.3-3, 5.4.3-3build1, 7.1.0-0ubuntu2, 7.1.1-0ubuntu1, 7.14-0ubuntu1, 7.2.4-0ubuntu1, 7.2.4-1~exp1
- Fixed versions
- Not specified
- CVEs
- CVE-2026-43598
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 02:12 UTC · Revision 1
Source evidence
Improper input validation in the AMD ROCm Communication Collectives Library (RCCL) could allow a compromised peer rank or network-adjacent attacker to dereference an attacker-controlled pointer, potentially resulting in remote code execution.
osv:UBUNTU-CVE-2026-43598
rccl
Fixed versions: Not specified
rccl
Fixed versions: Not specified
rccl
Fixed versions: Not specified
Complete source record
{
"id": "1d83fb9d25c731c4a7b094895bde323321d854480b6ea3bcee763ec768d62086",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2026-43598",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2026-43598",
"summary": "Improper input validation in the AMD ROCm Communication Collectives Library (RCCL) could allow a compromised peer rank or network-adjacent attacker to dereference an attacker-controlled pointer, potentially resulting in remote code execution.",
"evidence": "osv:UBUNTU-CVE-2026-43598",
"products": [
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"affected_versions": [
{
"value": "5.3.3-2",
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{
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"evidence": "/affected/0/versions"
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{
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{
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{
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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"
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{
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{
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{
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{
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{
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{
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}
],
"severity": "high",
"structured": {
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"aliases": [
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"metrics": [
{
"type": "CVSS_V4",
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{
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"score": "medium"
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],
"affected": [
{
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"events": [
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"versions": [
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"ecosystem_specific": {
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},
{
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"package": {
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"ecosystem": "Ubuntu:26.10"
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],
"database_specific": {
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},
"ecosystem_specific": {
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]
}
},
{
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"package": {
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},
"versions": [
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},
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}
],
"modified": "2026-10-17T12:58:17.488743006Z",
"provider": "osv",
"upstream": [
"CVE-2026-43598"
],
"references": [
"https://ubuntu.com/security/CVE-2026-43598",
"https://www.cve.org/CVERecord?id=CVE-2026-43598",
"https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6033.html"
]
},
"related_cves": [
{
"value": "CVE-2026-43598",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 358516,
"published_at": "2026-10-06T21:17:00+00:00"
}