UBUNTU-CVE-2021-33796

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Source
https://ubuntu.com/security/CVE-2021-33796
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-33796.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2021-33796
Upstream
Published
2023-07-07T18:15:00Z
Modified
2025-07-16T08:26:33.488853Z
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
  • 10.0 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

In MuJS before version 1.1.2, a use-after-free flaw in the regexp source property access may cause denial of service.

References

Affected packages

Ubuntu:22.04:LTS / mujs

Package

Name
mujs
Purl
pkg:deb/ubuntu/mujs@1.1.3-3?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.1.3-3

Affected versions

1.*

1.1.0-1
1.1.3-2

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libmujs-dev",
            "binary_version": "1.1.3-3"
        },
        {
            "binary_name": "libmujs1",
            "binary_version": "1.1.3-3"
        },
        {
            "binary_name": "libmujs1-dbgsym",
            "binary_version": "1.1.3-3"
        },
        {
            "binary_name": "mujs",
            "binary_version": "1.1.3-3"
        },
        {
            "binary_name": "mujs-dbgsym",
            "binary_version": "1.1.3-3"
        }
    ]
}