UBUNTU-CVE-2026-88378

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Source
https://ubuntu.com/security/CVE-2026-88378
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-88378.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-88378
Upstream
  • CVE-2026-88378
Published
2026-09-24T17:17:00Z
Modified
2026-10-17T13:01:15Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

QuickJS commit 04be24600 contains a heap out-of-bounds write condition in JS_ReadFunctionTag().

References

Affected packages

Ubuntu:Pro:24.04:LTS / quickjs

Package

Name
quickjs
Purl
pkg:deb/ubuntu/quickjs?arch=source&distro=esm-apps%2Fnoble

Affected ranges

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

Affected versions

2021.*
2021.03.27-1
2021.03.27-1ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libquickjs",
            "binary_version":  "2021.03.27-1ubuntu0.1~esm1"
        },
        {
            "binary_name":  "quickjs",
            "binary_version":  "2021.03.27-1ubuntu0.1~esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-88378.json"

Ubuntu:26.10 / quickjs

Package

Name
quickjs
Purl
pkg:deb/ubuntu/quickjs?arch=source&distro=stonking

Affected ranges

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

Affected versions

2025.*
2025.04.26-1build1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libquickjs",
            "binary_version":  "2025.04.26-1build1"
        },
        {
            "binary_name":  "quickjs",
            "binary_version":  "2025.04.26-1build1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-88378.json"

Ubuntu:26.04:LTS / quickjs

Package

Name
quickjs
Purl
pkg:deb/ubuntu/quickjs?arch=source&distro=resolute

Affected ranges

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

Affected versions

2025.*
2025.04.26-1
2025.04.26-1build1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libquickjs",
            "binary_version":  "2025.04.26-1build1"
        },
        {
            "binary_name":  "quickjs",
            "binary_version":  "2025.04.26-1build1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-88378.json"