CVE-2023-29420

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Source

https://cve.org/CVERecord?id=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

Published

2023-04-06T00:00:00Z

Modified

2026-08-27T10:10:43Z

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 bz3_decode_block.

Database specific

{
    "cna_assigner":  "mitre",
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/29xxx/CVE-2023-29420.json"
}

References

Affected packages

Git / github.com/iczelia/bzip3

Affected ranges

Type

GIT

Repo

https://github.com/iczelia/bzip3

Events

Introduced

Fixed

3bf1483853b7d3371b4a6beb186cbddcaf45d25e

Fixed

bb06deb85f1c249838eb938e0dab271d4194f8fa

Database specific

Show details

{
    "cpe":  "cpe:2.3:a:bzip3_project:bzip3:*:*:*:*:*:*:*:*",
    "extracted_events":  [
        {
            "introduced":  "0"
        },
        {
            "fixed":  "1.2.3"
        }
    ],
    "source":  [
        "CPE_RANGE",
        "REFERENCES"
    ]
}

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

source

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

vanir_signatures

[
    {
        "deprecated":  false,
        "digest":  {
            "function_hash":  "78927651910423473054068276738405572694",
            "length":  2428
        },
        "id":  "CVE-2023-29420-c1508cb8",
        "signature_type":  "Function",
        "signature_version":  "v1",
        "source":  "https://github.com/iczelia/bzip3/commit/bb06deb85f1c249838eb938e0dab271d4194f8fa",
        "target":  {
            "file":  "src/libbz3.c",
            "function":  "bz3_decode_block"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
            "line_hashes":  [
                "176151160024430871228388812718175632404",
                "148928673947002201083747821524943350945",
                "305471874631366783360112357820524980417",
                "90638596750532673362592108567729244609"
            ],
            "threshold":  0.9
        },
        "id":  "CVE-2023-29420-f8920d99",
        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://github.com/iczelia/bzip3/commit/bb06deb85f1c249838eb938e0dab271d4194f8fa",
        "target":  {
            "file":  "src/libbz3.c"
        }
    }
]

vanir_signatures_modified

"2026-08-27T10:10:43Z"