CVE-2019-19480

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

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Severity

Moderate

Red Hat Product Security

4.6

CVSS 3.1

Review impact separately from score.

Published · October 23, 2019

Updated · November 22, 2025

Description

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.

Statement

Please note that this issue was was introduced with https://github.com/OpenSC/OpenSC/commit/630d6adf32cecaab0ee184618f56497bd50400fb and fixed with https://github.com/OpenSC/OpenSC/commit/6ce6152284c47ba9b1d4fe8ff9d2e6a3f5ee02c7, therefore no release versions of opensc are affected by this issue.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 4.6
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-416 · Use After Free