CVE-2023-39976

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Source
https://nvd.nist.gov/vuln/detail/CVE-2023-39976
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-39976.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2023-39976
Downstream
Related
Published
2023-08-08T06:15:46Z
Modified
2025-09-16T07:32:07.685827Z
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
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

Debian:11 / libqb

Package

Name
libqb
Purl
pkg:deb/debian/libqb?arch=source

Affected ranges

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

Affected versions

2.*

2.0.3-1
2.0.4-1
2.0.6-1
2.0.6-2
2.0.7-1
2.0.8-1
2.0.8-2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:12 / libqb

Package

Name
libqb
Purl
pkg:deb/debian/libqb?arch=source

Affected ranges

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

Affected versions

2.*

2.0.6-2
2.0.7-1
2.0.8-1
2.0.8-2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / libqb

Package

Name
libqb
Purl
pkg:deb/debian/libqb?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.0.8-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:14 / libqb

Package

Name
libqb
Purl
pkg:deb/debian/libqb?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.0.8-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Git / github.com/clusterlabs/libqb

Affected ranges

Type
GIT
Repo
https://github.com/clusterlabs/libqb
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
1bbaa929b77113532785c408dd1b41cd0521ffc8

Affected versions

1.*

1.9.0

libqb-0.*

libqb-0.0.0
libqb-0.1.0

v0.*

v0.1.0
v0.10.0
v0.10.1
v0.11.0
v0.11.1
v0.12.0
v0.13.0
v0.14.0
v0.14.1
v0.14.2
v0.14.3
v0.14.4
v0.15.0
v0.16.0
v0.17.0
v0.17.0.rc1
v0.17.1
v0.17.1-rc1
v0.17.2
v0.2.0
v0.3.0
v0.4.0
v0.4.1
v0.5.0
v0.5.1
v0.7.0
v0.8.0
v0.8.1
v0.9.0

v1.*

v1.0
v1.0.1
v1.0.2
v1.0.3
v1.0rc1
v1.0rc2
v1.0rc3
v1.0rc4
v1.9.0
v1.9.1

v2.*

v2.0.0
v2.0.1
v2.0.2
v2.0.3
v2.0.4
v2.0.5
v2.0.6
v2.0.7

Database specific 

{
    "vanir_signatures": [
        {
            "source": "https://github.com/clusterlabs/libqb/commit/1bbaa929b77113532785c408dd1b41cd0521ffc8",
            "signature_type": "Line",
            "signature_version": "v1",
            "target": {
                "file": "lib/log_blackbox.c"
            },
            "deprecated": false,
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "234310116874441598169012739281943531554",
                    "88767074367043050548443721587077693599",
                    "281001159218331700925163265004941775733",
                    "263366324407121559883848862156710781083",
                    "57683120494871408456411132952730974543"
                ]
            },
            "id": "CVE-2023-39976-c6b71c89"
        },
        {
            "source": "https://github.com/clusterlabs/libqb/commit/1bbaa929b77113532785c408dd1b41cd0521ffc8",
            "signature_type": "Function",
            "signature_version": "v1",
            "target": {
                "file": "lib/log_blackbox.c",
                "function": "_blackbox_vlogger"
            },
            "deprecated": false,
            "digest": {
                "function_hash": "144833620041746192361028286524335023369",
                "length": 1476.0
            },
            "id": "CVE-2023-39976-e46cc8c4"
        },
        {
            "source": "https://github.com/clusterlabs/libqb/commit/1bbaa929b77113532785c408dd1b41cd0521ffc8",
            "signature_type": "Function",
            "signature_version": "v1",
            "target": {
                "file": "tests/check_log.c",
                "function": "START_TEST"
            },
            "deprecated": false,
            "digest": {
                "function_hash": "14394832875997190676591766158283567814",
                "length": 878.0
            },
            "id": "CVE-2023-39976-e7ec4eb4"
        },
        {
            "source": "https://github.com/clusterlabs/libqb/commit/1bbaa929b77113532785c408dd1b41cd0521ffc8",
            "signature_type": "Line",
            "signature_version": "v1",
            "target": {
                "file": "tests/check_log.c"
            },
            "deprecated": false,
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "220261002650673137112960086698603237908",
                    "291825239214008548035429337321196903562",
                    "181251568651179490113890241814114365331",
                    "241978366710158549109347642762512271078",
                    "38907448786194894788171967354211672238"
                ]
            },
            "id": "CVE-2023-39976-f763f945"
        }
    ]
}