CVE-2020-36403

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Source
https://cve.org/CVERecord?id=CVE-2020-36403
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-36403.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2020-36403
Downstream
DEBIAN (1)
OESA (2)
openSUSE (1)
UBUNTU (1)
Related
Published
2021-07-01T03:15:07Z
Modified
2026-04-11T09:46:25Z
Severity
  • 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

HTSlib through 1.10.2 allows out-of-bounds write access in vcf_parse_format (called from vcf_parse and vcf_read).

References

Affected packages

Git / github.com/samtools/htslib

Affected ranges

Type
GIT
Repo
https://github.com/samtools/htslib
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last Affected
fd0f89554459b78c07303e2c8a42acacd6851b46
Fixed
dcd4b7304941a8832fba2d0fc4c1e716e7a4e72c
Database specific
Show details 
{
    "versions":  [
        {
            "introduced":  "0"
        },
        {
            "last_affected":  "1.10.2"
        }
    ]
}

Affected versions

0.*
0.2.0-rc10
0.2.0-rc11
0.2.0-rc12
0.2.0-rc2
0.2.0-rc3
0.2.0-rc4
0.2.0-rc5
0.2.0-rc6
0.2.0-rc7
0.2.0-rc8
0.2.0-rc9
1.*
1.0
1.1
1.10
1.10.1
1.10.2
1.2
1.2.1
1.3
1.3.1
1.3.2
1.4
1.4.1
1.5
1.6
1.7
1.8
1.9
Other
stable1
stable2
vcf-direct-final

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-36403.json"
vanir_signatures 
[
    {
        "deprecated":  false,
        "digest":  {
            "line_hashes":  [
                "89613930718482095295418375781556079303",
                "106279598185036672352027483694167295946",
                "41838877792325018614210971028286161697",
                "141306006364824499810694766221609533097",
                "138844591352443951934757920943778960221",
                "52376274540466161438581399453999350696",
                "38957599573841087259468579906854528539",
                "30121372643580052949326471120180987497",
                "17814336031281581577065574325381868517"
            ],
            "threshold":  0.9
        },
        "id":  "CVE-2020-36403-7bd20209",
        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://github.com/samtools/htslib/commit/dcd4b7304941a8832fba2d0fc4c1e716e7a4e72c",
        "target":  {
            "file":  "vcf.c"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
            "function_hash":  "196953719063338283441172377442625567381",
            "length":  11588
        },
        "id":  "CVE-2020-36403-a2cb930f",
        "signature_type":  "Function",
        "signature_version":  "v1",
        "source":  "https://github.com/samtools/htslib/commit/dcd4b7304941a8832fba2d0fc4c1e716e7a4e72c",
        "target":  {
            "file":  "vcf.c",
            "function":  "vcf_parse_format"
        }
    }
]
vanir_signatures_modified 
"2026-04-11T09:46:25Z"