UBUNTU-CVE-2026-1528

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Source
https://ubuntu.com/security/CVE-2026-1528
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-1528.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-1528
Upstream
Published
2026-03-12T21:16:00Z
Modified
2026-03-19T08:27:48.344918Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

ImpactA server can reply with a WebSocket frame using the 64-bit length form and an extremely large length. undici's ByteParser overflows internal math, ends up in an invalid state, and throws a fatal TypeError that terminates the process. Patches Patched in the undici version v7.24.0 and v6.24.0. Users should upgrade to this version or later.

References

Affected packages

Ubuntu:24.04:LTS / node-undici

Package

Name
node-undici
Purl
pkg:deb/ubuntu/node-undici@5.26.3+dfsg1+~cs23.10.12-2?arch=source&distro=noble

Affected ranges

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

Affected versions

5.*
5.22.1+dfsg1+~cs20.10.10.2-1ubuntu1
5.26.3+dfsg1+~cs23.10.12-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "node-llhttp",
            "binary_version": "9.1.3~5.26.3+dfsg1+~cs23.10.12-2"
        },
        {
            "binary_name": "node-undici",
            "binary_version": "5.26.3+dfsg1+~cs23.10.12-2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-1528.json"

Ubuntu:25.10 / node-undici

Package

Name
node-undici
Purl
pkg:deb/ubuntu/node-undici@7.3.0+dfsg1+~cs24.12.11-2?arch=source&distro=questing

Affected ranges

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

Affected versions

7.*
7.3.0+dfsg1+~cs24.12.11-1
7.3.0+dfsg1+~cs24.12.11-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libllhttp-dev",
            "binary_version": "9.2.1~7.3.0+dfsg1+~cs24.12.11-2"
        },
        {
            "binary_name": "libllhttp9.2",
            "binary_version": "9.2.1~7.3.0+dfsg1+~cs24.12.11-2"
        },
        {
            "binary_name": "node-llhttp",
            "binary_version": "9.2.1~7.3.0+dfsg1+~cs24.12.11-2"
        },
        {
            "binary_name": "node-undici",
            "binary_version": "7.3.0+dfsg1+~cs24.12.11-2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-1528.json"