UBUNTU-CVE-2026-102277

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Source
https://ubuntu.com/security/CVE-2026-102277
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-102277.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-102277
Upstream
Published
2026-09-29T00:00:00Z
Modified
2026-09-29T23:41:45Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

The brace-expansion library generates arbitrary strings containing a common prefix and suffix. Prior to 1.1.21, 2.1.7, 3.0.9, and 5.0.12, the expand function handles untrusted {a},b}-shaped patterns with many trailing closing braces by restarting its scan once for each trailing closing brace. The successive full-input rescans with linear working-string growth cause quadratic CPU time and memory pressure that can block the Node.js event loop. The process eventually recovers, making the impact a recoverable CPU denial of service. This issue is fixed in versions 1.1.21, 2.1.7, 3.0.9, and 5.0.12.

References

Affected packages

Ubuntu:18.04:LTS / node-brace-expansion

Package

Name
node-brace-expansion
Purl
pkg:deb/ubuntu/node-brace-expansion?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.1.8-1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "node-brace-expansion",
            "binary_version":  "1.1.8-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-102277.json"

Ubuntu:20.04:LTS / node-brace-expansion

Package

Name
node-brace-expansion
Purl
pkg:deb/ubuntu/node-brace-expansion?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.1.8-1
1.1.11-1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "node-brace-expansion",
            "binary_version":  "1.1.11-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-102277.json"

Ubuntu:22.04:LTS / node-brace-expansion

Package

Name
node-brace-expansion
Purl
pkg:deb/ubuntu/node-brace-expansion?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

2.*
2.0.0-1
2.0.1-1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "node-brace-expansion",
            "binary_version":  "2.0.1-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-102277.json"

Ubuntu:24.04:LTS / node-brace-expansion

Package

Name
node-brace-expansion
Purl
pkg:deb/ubuntu/node-brace-expansion?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

2.*
2.0.1-2
2.0.1+~1.1.0-1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "node-brace-expansion",
            "binary_version":  "2.0.1+~1.1.0-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-102277.json"

Ubuntu:26.04:LTS / node-brace-expansion

Package

Name
node-brace-expansion
Purl
pkg:deb/ubuntu/node-brace-expansion?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

2.*
2.0.1+~1.1.0-2

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "node-brace-expansion",
            "binary_version":  "2.0.1+~1.1.0-2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-102277.json"