UBUNTU-CVE-2023-42363

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Source
https://ubuntu.com/security/CVE-2023-42363
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-42363.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2023-42363
Upstream
Downstream
Related
Published
2023-11-27T22:15:00Z
Modified
2025-09-08T16:56:30Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

A use-after-free vulnerability was discovered in xasprintf function in xfuncs_printf.c:344 in BusyBox v.1.36.1.

References

Affected packages

Ubuntu:24.04:LTS / busybox

Package

Name
busybox
Purl
pkg:deb/ubuntu/busybox@1:1.36.1-6ubuntu3.1?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:1.36.1-6ubuntu3.1

Affected versions

1:1.*

1:1.36.1-3ubuntu1
1:1.36.1-6ubuntu1
1:1.36.1-6ubuntu3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:1.36.1-6ubuntu3.1",
            "binary_name": "busybox"
        },
        {
            "binary_version": "1:1.36.1-6ubuntu3.1",
            "binary_name": "busybox-initramfs"
        },
        {
            "binary_version": "1:1.36.1-6ubuntu3.1",
            "binary_name": "busybox-static"
        },
        {
            "binary_version": "1:1.36.1-6ubuntu3.1",
            "binary_name": "busybox-syslogd"
        },
        {
            "binary_version": "1:1.36.1-6ubuntu3.1",
            "binary_name": "udhcpc"
        },
        {
            "binary_version": "1:1.36.1-6ubuntu3.1",
            "binary_name": "udhcpd"
        }
    ],
    "availability": "No subscription required"
}