CVE-2019-19481

lowpriority · track · 18EPSS 0.002 · 16 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.25% (16th) EPSS

CVSS 2.1 · low

Is it mine?

26 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-28

An issue was discovered in OpenSC through 0.19.0 and 0.20.x through 0.20.0-rc3. libopensc/card-cac1.c mishandles buffer limits for CAC certificates.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

Fixedopensc-0:0.20.0-2.el8.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:4483
Fixedopensc-0:0.20.0-2.el8.i686 as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:4483
Fixedopensc-0:0.20.0-2.el8.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:4483
Fixedopensc-0:0.20.0-2.el8.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:4483
Fixedopensc-0:0.20.0-2.el8.src as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:4483
Fixedopensc-0:0.20.0-2.el8.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:4483
Fixedopensc-debuginfo-0:0.20.0-2.el8.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:4483
Fixedopensc-debuginfo-0:0.20.0-2.el8.i686 as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:4483
Fixedopensc-debuginfo-0:0.20.0-2.el8.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:4483
Fixedopensc-debuginfo-0:0.20.0-2.el8.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:4483
Fixedopensc-debuginfo-0:0.20.0-2.el8.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:4483
Fixedopensc-debugsource-0:0.20.0-2.el8.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:4483
Fixedopensc-debugsource-0:0.20.0-2.el8.i686 as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:4483
Fixedopensc-debugsource-0:0.20.0-2.el8.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:4483
Fixedopensc-debugsource-0:0.20.0-2.el8.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:4483
Fixedopensc-debugsource-0:0.20.0-2.el8.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:4483

cvss

Technical severity, 0–10. One row per scoring source.

4.6

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 2.1–4.6

v2.02.1lowAV:L/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 3.9 · impact 2.9

v3.14.6mediumCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 0.9 · impact 3.6

v3.14.2mediumCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.14.6mediumCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · Red Hat Product Security US

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119USprimaryCWE-119US

affected products (26)

Products and version ranges known to be affected.

Amazon Linux 2all versionscert_bundDEcpe:/o:amazon:linux_2:-
Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
Open Source Arch Linuxall versionscert_bundDEcpe:/o:archlinux:archlinux:-
Open Source OpenSC <= 0.19.0all versionscert_bundDEcpe:/a:opensc:opensc:0.19.0
Open Source OpenSC <= 0.20.0-rc3all versionscert_bundDEcpe:/a:opensc:opensc:0.20.0-rc3
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
n/a n/a≤ n/aenisa_euvdEU
opensc project opensc= 0.19.0nvdUScpe:2.3:a:opensc_project:opensc:*:*:*:*:*:*:*:*
opensc project opensc= 0.20.0nvdUScpe:2.3:a:opensc_project:opensc:*:*:*:*:*:*:*:*
opensc-0:0.20.0-2.el8.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)all versionsfixedredhat_csafUS
opensc-0:0.20.0-2.el8.i686 as a component of Red Hat Enterprise Linux BaseOS (v. 8)all versionsfixedredhat_csafUS
opensc-0:0.20.0-2.el8.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)all versionsfixedredhat_csafUS
opensc-0:0.20.0-2.el8.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)all versionsfixedredhat_csafUS
opensc-0:0.20.0-2.el8.src as a component of Red Hat Enterprise Linux BaseOS (v. 8)all versionsfixedredhat_csafUS
opensc-0:0.20.0-2.el8.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)all versionsfixedredhat_csafUS
opensc-debuginfo-0:0.20.0-2.el8.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)all versionsfixedredhat_csafUS
opensc-debuginfo-0:0.20.0-2.el8.i686 as a component of Red Hat Enterprise Linux BaseOS (v. 8)all versionsfixedredhat_csafUS
opensc-debuginfo-0:0.20.0-2.el8.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)all versionsfixedredhat_csafUS
opensc-debuginfo-0:0.20.0-2.el8.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)all versionsfixedredhat_csafUS

showing 20 of 26

advisories (2)

Vendor and ecosystem advisories describing this.

RHSA-2020:4483Red Hat Security Advisory: opensc security, bug fix, and enhancement update2020-11-04csaf · redhat_csafUS
An update for opensc is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
WID-SEC-W-2023-2407OpenSC: Mehrere Schwachstellen ermöglichen nicht spezifizierten AngriffDeutsch2019-12-01csaf · cert_bundDE
Ein lokaler Angreifer kann mehrere Schwachstellen in OpenSC ausnutzen, um einen nicht näher spezifizierten Angriff durchzuführen.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd redhat_csaf NVD CVE.org MITRE

published 2019-12-01modified 2026-06-17

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+21039 more

references (16)

External citations — patches, advisories, analysis.

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