CVE-2020-26570

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Source
https://cve.org/CVERecord?id=CVE-2020-26570
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-26570.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2020-26570
Downstream
ALPINE (1)
ALSA (1)
AZL (1)
BELL (1)
CLEANSTART (1)
DEBIAN (1)
MGASA (1)
OESA (1)
openSUSE (2)
RHSA (1)
RLSA (1)
SUSE (3)
UBUNTU (1)
Related
ALSA (1)
openSUSE (2)
SUSE (3)
Published
2020-10-06T02:15:12Z
Modified
2026-10-20T14:05:17Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

The Oberthur smart card software driver in OpenSC before 0.21.0-rc1 has a heap-based buffer overflow in sc_oberthur_read_file.

Database specific 
{
    "unresolved_ranges": [
        {
            "cpes": [
                "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
                {
                    "range": [
                        {
                            "introduced": "9.0"
                        },
                        {
                            "last_affected": "9.0"
                        }
                    ],
                    "source": "CPE_STRING"
                }
            ],
            "vendor_product": "debian:debian_linux"
        },
        {
            "cpes": [
                "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
                {
                    "range": [
                        {
                            "introduced": "33"
                        },
                        {
                            "last_affected": "33"
                        }
                    ],
                    "source": "CPE_STRING"
                }
            ],
            "vendor_product": "fedoraproject:fedora"
        }
    ]
}
References

Affected packages

Git / github.com/opensc/opensc

Affected ranges

Type
GIT
Repo
https://github.com/opensc/opensc
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last Affected
45e29056ccde422e70ed3585084a7f150c632515
Fixed
6903aebfddc466d966c7b865fae34572bf3ed23e
Database specific
Show details 
{
    "extracted_events": [
        {
            "cpe": "cpe:2.3:a:opensc_project:opensc:*:*:*:*:*:*:*:*",
            "range": [
                {
                    "introduced": "0"
                },
                {
                    "last_affected": "0.20.0"
                }
            ],
            "source": "CPE_RANGE"
        },
        {
            "range": [
                {
                    "fixed": "6903aebfddc466d966c7b865fae34572bf3ed23e"
                }
            ],
            "source": "REFERENCES_COMMIT"
        }
    ]
}

Affected versions

0.*
0.12.2
0.12.2-rc1
0.13.0
0.13.0pre1
0.13.0rc1
0.14.0
0.14.0rc2
0.14.0rtm
0.15.0
0.16.0
0.17.0
0.17.0-rc1
0.17.0-rc2
0.18.0
0.18.0-rc1
0.18.0-rc2
0.19.0
0.19.0-rc1
0.20.0
0.20.0-rc1
0.20.0-rc2
0.20.0-rc3
0.20.0-rc4
v0.*
v0.12.2
v0.16.0-pre1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-26570.json"
vanir_signatures 
[
    {
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "296330052860174509237775165804406857386",
                "244157986531433416436298344378663818487",
                "208350302135471509131891751559514547061",
                "247359544980144280440317914934986616952",
                "273011554056298804416965627231405202824",
                "9348176036366894479978468326619964069",
                "279025798764699565876518821033943256156"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2020-26570-084e85fd",
        "signature_type": "Line",
        "signature_version": "v1",
        "source": "https://github.com/opensc/opensc/commit/6903aebfddc466d966c7b865fae34572bf3ed23e",
        "target": {
            "file": "src/libopensc/pkcs15-oberthur.c"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "function_hash": "264061215140907092068901924200830202220",
            "length": 2637
        },
        "id": "CVE-2020-26570-d6b99868",
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://github.com/opensc/opensc/commit/6903aebfddc466d966c7b865fae34572bf3ed23e",
        "target": {
            "file": "src/libopensc/pkcs15-oberthur.c",
            "function": "sc_oberthur_read_file"
        }
    }
]
vanir_signatures_modified 
"2026-10-20T14:05:17Z"