UBUNTU-CVE-2023-39976

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Source
https://ubuntu.com/security/CVE-2023-39976
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-39976.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2023-39976
Upstream
Downstream
Related
Published
2023-08-08T06:15:00Z
Modified
2025-09-08T16:56:29Z
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

log_blackbox.c in libqb before 2.0.8 allows a buffer overflow via long log messages because the header size is not considered.

References

Affected packages

Ubuntu:22.04:LTS / libqb

Package

Name
libqb
Purl
pkg:deb/ubuntu/libqb@2.0.4-1ubuntu0.2?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.0.4-1ubuntu0.2

Affected versions

2.*

2.0.3-1build1
2.0.4-1
2.0.4-1build1
2.0.4-1ubuntu0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.0.4-1ubuntu0.2",
            "binary_name": "doxygen2man"
        },
        {
            "binary_version": "2.0.4-1ubuntu0.2",
            "binary_name": "libqb-dev"
        },
        {
            "binary_version": "2.0.4-1ubuntu0.2",
            "binary_name": "libqb-tools"
        },
        {
            "binary_version": "2.0.4-1ubuntu0.2",
            "binary_name": "libqb100"
        }
    ],
    "availability": "No subscription required"
}