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Fencer Intel
medium 4.6

CVE-2019-19481 json

An issue was discovered in OpenSC through 0.19.0 and 0.20.x through 0.20.0-rc3.

published 6y ago modified 4mo ago also EUVD-2019-9101

cvss
4.6
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 15%
public exploits
0
none known

Summary

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.

Patch / fix

  • opensc Debian 14, Debian 13, Debian 12 0.19.0~rc1-1

debian advisories DEBIAN-CVE-2019-19481

  • opensc RHEL 8 0.20.0-2.el8

red hat advisories RHSA-2020:4483

  • opensc SLES for SAP 15, SLES 15-LTSS, SLE High Performance Computing 15-LTSS +1 more 0.18.0-150000.3.23.1

suse advisories SUSE-SU-2022:1041-1

  • opensc Alpine 3.24, Alpine 3.23, Alpine 3.22 +11 more 0.20.0-r0

alpine advisories ALPINE-CVE-2019-19481

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • opensc Arch Linux 0.20.0-1

arch linux advisories AVG-1106

Is CVE-2019-19481 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2019-19481 updated cvss 4.6

opensc: Improper handling of buffer limits for CAC certificates

  • Red Hat Enterprise Linux 7 opensc
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux BaseOS (v. 8) opensc 0.20.0-2.el8
    fixed: vendor fix RHSA-2020:4483

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.25% chance of exploitation in the next 30 days, higher than 15% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 4.6 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 2.1 AV:L/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.