RHSA-2026:74167
Vulnerability from csaf_redhat - Published: 2026-09-30 23:39 - Updated: 2026-11-06 07:57A flaw was found in brace-expansion. A remote attacker can provide specially crafted brace patterns with excessive nested groups or large arrays to trigger uncontrolled recursion during parsing. This behavior exhausts the native call stack and crashes the application process, leading to a Denial of Service (DoS).
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Red Hat Hardened Images:nodejs24-1:24.21.0-1.2.hum1@aarch64 | — |
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| Unresolved product id: Red Hat Hardened Images:nodejs24-1:24.21.0-1.2.hum1@src | — |
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| Unresolved product id: Red Hat Hardened Images:nodejs24-1:24.21.0-1.2.hum1@x86_64 | — |
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| Unresolved product id: Red Hat Hardened Images:nodejs24-bin-1:24.21.0-1.2.hum1@noarch@public-hummingbird-aarch64-rpms | — |
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| Unresolved product id: Red Hat Hardened Images:nodejs24-bin-1:24.21.0-1.2.hum1@noarch@public-hummingbird-x86_64-rpms | — |
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| Unresolved product id: Red Hat Hardened Images:nodejs24-devel-1:24.21.0-1.2.hum1@aarch64 | — |
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| Unresolved product id: Red Hat Hardened Images:nodejs24-devel-1:24.21.0-1.2.hum1@x86_64 | — |
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| Unresolved product id: Red Hat Hardened Images:nodejs24-docs-1:24.21.0-1.2.hum1@noarch@public-hummingbird-aarch64-rpms | — |
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| Unresolved product id: Red Hat Hardened Images:nodejs24-docs-1:24.21.0-1.2.hum1@noarch@public-hummingbird-x86_64-rpms | — |
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| Unresolved product id: Red Hat Hardened Images:nodejs24-full-i18n-1:24.21.0-1.2.hum1@aarch64 | — |
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| Unresolved product id: Red Hat Hardened Images:nodejs24-full-i18n-1:24.21.0-1.2.hum1@x86_64 | — |
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| Unresolved product id: Red Hat Hardened Images:nodejs24-libs-1:24.21.0-1.2.hum1@aarch64 | — |
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| Unresolved product id: Red Hat Hardened Images:nodejs24-libs-1:24.21.0-1.2.hum1@x86_64 | — |
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| Unresolved product id: Red Hat Hardened Images:nodejs24-npm-2:11.19.0-1.24.21.0.1.2.hum1@noarch@public-hummingbird-aarch64-rpms | — |
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| Unresolved product id: Red Hat Hardened Images:nodejs24-npm-2:11.19.0-1.24.21.0.1.2.hum1@noarch@public-hummingbird-x86_64-rpms | — |
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| Unresolved product id: Red Hat Hardened Images:nodejs24-npm-bin-2:11.19.0-1.24.21.0.1.2.hum1@noarch@public-hummingbird-aarch64-rpms | — |
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| Unresolved product id: Red Hat Hardened Images:nodejs24-npm-bin-2:11.19.0-1.24.21.0.1.2.hum1@noarch@public-hummingbird-x86_64-rpms | — |
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| Unresolved product id: Red Hat Hardened Images:v8-13.6-devel-3:13.6.233.17-1.24.21.0.1.2.hum1@aarch64 | — |
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| Unresolved product id: Red Hat Hardened Images:v8-13.6-devel-3:13.6.233.17-1.24.21.0.1.2.hum1@x86_64 | — |
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A flaw was found in brace-expansion. A remote attacker can cause a Denial of Service (DoS) by supplying specially crafted string patterns with repeated closing braces. Processing these malformed patterns causes the string expansion logic to repeatedly rescan the entire input, leading to excessive processor and memory consumption that can temporarily block the application event loop.
A flaw was found in brace-expansion. A remote attacker can cause a Denial of Service (DoS) by supplying untrusted input containing deeply nested brace patterns. Due to uncontrolled recursion during pattern processing, expanding these nested structures exhausts the call stack and causes the application to crash.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Red Hat Hardened Images:nodejs24-1:24.21.0-1.2.hum1@aarch64 | — |
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| Unresolved product id: Red Hat Hardened Images:nodejs24-1:24.21.0-1.2.hum1@src | — |
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| Unresolved product id: Red Hat Hardened Images:nodejs24-1:24.21.0-1.2.hum1@x86_64 | — |
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| Unresolved product id: Red Hat Hardened Images:nodejs24-bin-1:24.21.0-1.2.hum1@noarch@public-hummingbird-aarch64-rpms | — |
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| Unresolved product id: Red Hat Hardened Images:nodejs24-bin-1:24.21.0-1.2.hum1@noarch@public-hummingbird-x86_64-rpms | — |
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| Unresolved product id: Red Hat Hardened Images:nodejs24-devel-1:24.21.0-1.2.hum1@aarch64 | — |
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| Unresolved product id: Red Hat Hardened Images:nodejs24-devel-1:24.21.0-1.2.hum1@x86_64 | — |
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| Unresolved product id: Red Hat Hardened Images:nodejs24-docs-1:24.21.0-1.2.hum1@noarch@public-hummingbird-aarch64-rpms | — |
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| Unresolved product id: Red Hat Hardened Images:nodejs24-docs-1:24.21.0-1.2.hum1@noarch@public-hummingbird-x86_64-rpms | — |
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| Unresolved product id: Red Hat Hardened Images:nodejs24-full-i18n-1:24.21.0-1.2.hum1@aarch64 | — |
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| Unresolved product id: Red Hat Hardened Images:nodejs24-full-i18n-1:24.21.0-1.2.hum1@x86_64 | — |
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| Unresolved product id: Red Hat Hardened Images:nodejs24-libs-1:24.21.0-1.2.hum1@aarch64 | — |
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| Unresolved product id: Red Hat Hardened Images:nodejs24-libs-1:24.21.0-1.2.hum1@x86_64 | — |
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| Unresolved product id: Red Hat Hardened Images:nodejs24-npm-2:11.19.0-1.24.21.0.1.2.hum1@noarch@public-hummingbird-aarch64-rpms | — |
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| Unresolved product id: Red Hat Hardened Images:nodejs24-npm-2:11.19.0-1.24.21.0.1.2.hum1@noarch@public-hummingbird-x86_64-rpms | — |
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| Unresolved product id: Red Hat Hardened Images:nodejs24-npm-bin-2:11.19.0-1.24.21.0.1.2.hum1@noarch@public-hummingbird-aarch64-rpms | — |
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| Unresolved product id: Red Hat Hardened Images:nodejs24-npm-bin-2:11.19.0-1.24.21.0.1.2.hum1@noarch@public-hummingbird-x86_64-rpms | — |
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| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Red Hat Hardened Images:v8-13.6-devel-3:13.6.233.17-1.24.21.0.1.2.hum1@aarch64 | — |
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| Unresolved product id: Red Hat Hardened Images:v8-13.6-devel-3:13.6.233.17-1.24.21.0.1.2.hum1@x86_64 | — |
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"title": "Statement"
},
{
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"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
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"title": "Vulnerability description"
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-102278"
},
{
"category": "external",
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2542700"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-102278",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-102278"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-102278",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-102278"
},
{
"category": "external",
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"category": "external",
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{
"category": "external",
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{
"category": "external",
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"release_date": "2026-09-28T20:57:09.850000+00:00",
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"category": "vendor_fix",
"date": "2026-09-30T23:39:37+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/",
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"restart_required": {
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"url": "https://access.redhat.com/errata/RHSA-2026:74167"
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{
"category": "workaround",
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{
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"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"version": "3.1"
},
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"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "brace-expansion: brace-expansion: Denial of Service via uncontrolled recursion in nested brace patterns"
}
]
}
Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
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.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- 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.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
How durations are calculated
Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.
Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.
Loading timeline…
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.
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.