RLSA-2026:61386 (CVE-2026-56846)
Vulnerability from osv_rocky – Published: 2026-08-31 18:05 – Updated: 2026-09-14 18:12 – Source website
VLAI
Summary
Important: nodejs:24 security update
Details
Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language.
Security Fix(es):
-
nodejs: Node.js: Unauthorized filesystem access due to Permission Model enforcement flaw (CVE-2026-58043)
-
nodejs: Node.js: Remote memory exhaustion via HTTP/2 retained header blocks (CVE-2026-56846)
-
nodejs: Node.js: Heap-use-after-free in HTTP/2 handling can lead to denial of service (CVE-2026-56848)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Severity
7.5 (High)
References
{
"affected": [
{
"package": {
"ecosystem": "Rocky Linux:9",
"name": "nodejs-nodemon",
"purl": "pkg:rpm/rocky-linux/nodejs-nodemon?distro=rocky-linux-9\u0026epoch=0"
},
"ranges": [
{
"database_specific": {
"yum_repository": "AppStream"
},
"events": [
{
"introduced": "0"
},
{
"fixed": "0:3.1.14-3.module+el9.8.0+40281+14cc6568"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Rocky Linux:9",
"name": "nodejs-packaging",
"purl": "pkg:rpm/rocky-linux/nodejs-packaging?distro=rocky-linux-9\u0026epoch=0"
},
"ranges": [
{
"database_specific": {
"yum_repository": "AppStream"
},
"events": [
{
"introduced": "0"
},
{
"fixed": "0:2021.06-6.module+el9.7.0+40052+e32ea525"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Rocky Linux:9",
"name": "nodejs-packaging",
"purl": "pkg:rpm/rocky-linux/nodejs-packaging?distro=rocky-linux-9\u0026epoch=0"
},
"ranges": [
{
"database_specific": {
"yum_repository": "AppStream"
},
"events": [
{
"introduced": "0"
},
{
"fixed": "0:2021.06-6.module+el9.7.0+40153+4d595597"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Rocky Linux:9",
"name": "nodejs-packaging",
"purl": "pkg:rpm/rocky-linux/nodejs-packaging?distro=rocky-linux-9\u0026epoch=0"
},
"ranges": [
{
"database_specific": {
"yum_repository": "AppStream"
},
"events": [
{
"introduced": "0"
},
{
"fixed": "0:2021.06-6.module+el9.8.0+40164+8921ab53"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Rocky Linux:9",
"name": "nodejs-packaging",
"purl": "pkg:rpm/rocky-linux/nodejs-packaging?distro=rocky-linux-9\u0026epoch=0"
},
"ranges": [
{
"database_specific": {
"yum_repository": "AppStream"
},
"events": [
{
"introduced": "0"
},
{
"fixed": "0:2021.06-6.module+el9.7.0+40165+d075e3f2"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Rocky Linux:9",
"name": "nodejs",
"purl": "pkg:rpm/rocky-linux/nodejs?distro=rocky-linux-9\u0026epoch=1"
},
"ranges": [
{
"database_specific": {
"yum_repository": "AppStream"
},
"events": [
{
"introduced": "0"
},
{
"fixed": "1:24.19.0-1.module+el9.8.0+40304+bb6270de"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"credits": [
{
"name": "Rocky Enterprise Software Foundation"
},
{
"name": "Red Hat"
}
],
"database_specific": {
"license": "CC-BY-4.0",
"license_url": "https://creativecommons.org/licenses/by/4.0/",
"source_advisory": "RHSA-2026:61386"
},
"details": "Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language. \n\nSecurity Fix(es):\n\n* nodejs: Node.js: Unauthorized filesystem access due to Permission Model enforcement flaw (CVE-2026-58043)\n\n* nodejs: Node.js: Remote memory exhaustion via HTTP/2 retained header blocks (CVE-2026-56846)\n\n* nodejs: Node.js: Heap-use-after-free in HTTP/2 handling can lead to denial of service (CVE-2026-56848)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
"id": "RLSA-2026:61386",
"modified": "2026-09-14T18:12:36.175494Z",
"published": "2026-08-31T18:05:48.284338Z",
"references": [
{
"type": "ADVISORY",
"url": "https://errata.rockylinux.org/RLSA-2026:61386"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2509171"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2510856"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2511089"
},
{
"type": "ADVISORY",
"url": "https://access.redhat.com/errata/RHSA-2026:61386"
}
],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
],
"summary": "Important: nodejs:24 security update",
"upstream": [
"CVE-2026-56846",
"CVE-2026-56848",
"CVE-2026-58043"
]
}
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
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- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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