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Fencer Vulns
medium 4.6

CVE-2019-19480 json

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

published 2019-12-01 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-9100

cvss
4.6
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 47%
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/pkcs15-prkey.c has an incorrect free operation in sc_pkcs15_decode_prkdf_entry.

Patch / fix

  • opensc SLE Module for Basesystem 15 SP2 0.19.0-3.7.1

suse advisories SUSE-SU-2021:1168-1

  • opensc openSUSE Tumbleweed 0.21.0-2.2
  • opensc openSUSE Leap 15.2 0.19.0-lp152.3.3.1

opensuse advisories openSUSE-SU-2024:11123-1openSUSE-SU-2021:0565-1

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

alpine advisories ALPINE-CVE-2019-19480

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

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-2019-19480 updated cvss 4.6

opensc: incorrect free operation in sc_pkcs15_decode_prkdf_entry in libopensc/pkcs15-prkey.c

  • Red Hat Enterprise Linux 7 opensc Red Hat Enterprise Linux 8 opensc
    not affected: vulnerable code not present

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

0.57% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • bugs.chromium.org https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18478 referenced PoC, tagged "exploit" by a source, unverified

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-672 Operation on a Resource after Expiration or Release

References

Sources

Fencer Vulns 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.