CVE-2023-29420

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Source

https://nvd.nist.gov/vuln/detail/CVE-2023-29420

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-29420.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2023-29420

Downstream

DEBIAN-CVE-2023-29420

UBUNTU-CVE-2023-29420

Published

2023-04-06T05:15:07Z

Modified

2025-10-22T18:18:51.590742Z

Severity

6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator

Summary

[none]

Details

An issue was discovered in libbzip3.a in bzip3 before 1.2.3. There is a crash caused by an invalid memmove in bz3decodeblock.

References

Affected packages

Git / github.com/iczelia/bzip3

Affected ranges

Type: GIT
Repo: https://github.com/iczelia/bzip3
Events: Introduced

0 Unknown introduced commit / All previous commits are affected

Fixed

bb06deb85f1c249838eb938e0dab271d4194f8fa

Affected versions

1.*

1.0.0

1.0.1

1.1.0

1.1.1

1.1.2

1.1.3

1.1.4

1.1.5

1.1.6

1.1.7

1.1.8

1.2.0

1.2.1

1.2.2

Other

corpus

Database specific

vanir_signatures

[
    {
        "signature_version": "v1",
        "deprecated": false,
        "id": "CVE-2023-29420-c1508cb8",
        "target": {
            "function": "bz3_decode_block",
            "file": "src/libbz3.c"
        },
        "signature_type": "Function",
        "digest": {
            "length": 2428.0,
            "function_hash": "78927651910423473054068276738405572694"
        },
        "source": "https://github.com/iczelia/bzip3/commit/bb06deb85f1c249838eb938e0dab271d4194f8fa"
    },
    {
        "signature_version": "v1",
        "deprecated": false,
        "id": "CVE-2023-29420-f8920d99",
        "target": {
            "file": "src/libbz3.c"
        },
        "signature_type": "Line",
        "digest": {
            "line_hashes": [
                "176151160024430871228388812718175632404",
                "148928673947002201083747821524943350945",
                "305471874631366783360112357820524980417",
                "90638596750532673362592108567729244609"
            ],
            "threshold": 0.9
        },
        "source": "https://github.com/iczelia/bzip3/commit/bb06deb85f1c249838eb938e0dab271d4194f8fa"
    }
]

Git / github.com/kspalaiologos/bzip3