RHSA-2026:35272
Vulnerability from csaf_redhat - Published: 2026-07-03 05:27 - Updated: 2026-07-03 18:03Summary
Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update
Severity
Important
Notes
Topic: An update for Red Hat Hardened Images RPMs is now available.
Details: This update includes the following RPMs:
nodejs22:
* nodejs22-22.23.1-2.hum1 (aarch64, x86_64)
* nodejs22-bin-22.23.1-2.hum1 (noarch)
* nodejs22-devel-22.23.1-2.hum1 (aarch64, x86_64)
* nodejs22-docs-22.23.1-2.hum1 (noarch)
* nodejs22-full-i18n-22.23.1-2.hum1 (aarch64, x86_64)
* nodejs22-libs-22.23.1-2.hum1 (aarch64, x86_64)
* nodejs22-npm-10.9.8-1.22.23.1.2.hum1 (noarch)
* nodejs22-npm-bin-22.23.1-2.hum1 (noarch)
* v8-12.4-devel-12.4.254.21-1.22.23.1.2.hum1 (aarch64, x86_64)
* nodejs22-22.23.1-2.hum1.src (src)
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
A flaw was found in brace-expansion. An attacker can exploit a vulnerability in the `expand()` function by providing a specially crafted string. This string, containing consecutive non-expanding brace groups, can trigger exponential-time complexity, leading to significant CPU consumption and event-loop blocking. This can result in a Denial of Service (DoS) for the affected system.
7.5 (High)
Affected products
Fixed
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Red Hat Hardened Images:nodejs22-main@aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:nodejs22-main@noarch | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:nodejs22-main@src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:nodejs22-main@x86_64 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Important
References
11 references
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"text": "This update includes the following RPMs:\n\nnodejs22:\n * nodejs22-22.23.1-2.hum1 (aarch64, x86_64)\n * nodejs22-bin-22.23.1-2.hum1 (noarch)\n * nodejs22-devel-22.23.1-2.hum1 (aarch64, x86_64)\n * nodejs22-docs-22.23.1-2.hum1 (noarch)\n * nodejs22-full-i18n-22.23.1-2.hum1 (aarch64, x86_64)\n * nodejs22-libs-22.23.1-2.hum1 (aarch64, x86_64)\n * nodejs22-npm-10.9.8-1.22.23.1.2.hum1 (noarch)\n * nodejs22-npm-bin-22.23.1-2.hum1 (noarch)\n * v8-12.4-devel-12.4.254.21-1.22.23.1.2.hum1 (aarch64, x86_64)\n * nodejs22-22.23.1-2.hum1.src (src)",
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"vulnerabilities": [
{
"cve": "CVE-2026-13149",
"cwe": {
"id": "CWE-1333",
"name": "Inefficient Regular Expression Complexity"
},
"discovery_date": "2026-06-30T10:00:59.843854+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2494813"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in brace-expansion. An attacker can exploit a vulnerability in the `expand()` function by providing a specially crafted string. This string, containing consecutive non-expanding brace groups, can trigger exponential-time complexity, leading to significant CPU consumption and event-loop blocking. This can result in a Denial of Service (DoS) for the affected system.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "brace-expansion: Brace-expansion: Denial of Service due to exponential-time complexity",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "A flaw was found in brace-expansion, a widely-used npm package for expanding brace sequences. The expand() function exhibits exponential-time complexity when processing consecutive non-expanding brace groups. An attacker who can supply crafted input to expand(), directly or transitively via minimatch or glob, can cause significant CPU consumption and event-loop blocking, resulting in denial of service. The max option does not mitigate this issue, as it bounds the output size rather than the recursion work.",
"title": "Statement"
},
{
"category": "general",
"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"
}
],
"product_status": {
"fixed": [
"Red Hat Hardened Images:nodejs22-main@aarch64",
"Red Hat Hardened Images:nodejs22-main@noarch",
"Red Hat Hardened Images:nodejs22-main@src",
"Red Hat Hardened Images:nodejs22-main@x86_64"
]
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"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-13149"
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"summary": "RHBZ#2494813",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2494813"
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{
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"url": "https://www.cve.org/CVERecord?id=CVE-2026-13149"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-13149",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-13149"
},
{
"category": "external",
"summary": "https://github.com/juliangruber/brace-expansion/commit/c7e33ec13ac1a684c116720843ce24e208611754",
"url": "https://github.com/juliangruber/brace-expansion/commit/c7e33ec13ac1a684c116720843ce24e208611754"
},
{
"category": "external",
"summary": "https://www.npmjs.com/package/brace-expansion",
"url": "https://www.npmjs.com/package/brace-expansion"
}
],
"release_date": "2026-06-30T08:30:34.502000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-07-03T05:27:31+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/",
"product_ids": [
"Red Hat Hardened Images:nodejs22-main@aarch64",
"Red Hat Hardened Images:nodejs22-main@noarch",
"Red Hat Hardened Images:nodejs22-main@src",
"Red Hat Hardened Images:nodejs22-main@x86_64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:35272"
},
{
"category": "workaround",
"details": "There is no practical mitigation for this vulnerability. The brace-expansion package is typically a transitive dependency pulled in via minimatch and glob, making it difficult to isolate. Users should upgrade to a fixed version of brace-expansion when one becomes available.",
"product_ids": [
"Red Hat Hardened Images:nodejs22-main@aarch64",
"Red Hat Hardened Images:nodejs22-main@noarch",
"Red Hat Hardened Images:nodejs22-main@src",
"Red Hat Hardened Images:nodejs22-main@x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"products": [
"Red Hat Hardened Images:nodejs22-main@aarch64",
"Red Hat Hardened Images:nodejs22-main@noarch",
"Red Hat Hardened Images:nodejs22-main@src",
"Red Hat Hardened Images:nodejs22-main@x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "brace-expansion: Brace-expansion: Denial of Service due to exponential-time complexity"
}
]
}
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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.
- 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.
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