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.
CVE-2019-19480
This medium-severity CVE scores 4.6 under NVD CVSS v3. EPSS exploit probability: 0.2%, top 58% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 4.6
- EG Score
- 4.6(medium)
- EPSS
- 43.8%
- KEV
- Not listed
Published
December 1, 2019
Last Modified
November 21, 2024
References (8)
- cve@mitrehttp://www.openwall.com/lists/oss-security/2019/12/29/1
- cve@mitrehttps://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18478
- cve@mitrehttps://github.com/OpenSC/OpenSC/commit/6ce6152284c47ba9b1d4fe8ff9d2e6a3f5ee02c7
- cve@mitrehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NDSQLMZZYBHO5X3BK7D6E7E6NZIMZDI5/
- af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2019/12/29/1
- af854a3a-2127-422b-91ae-364da2661108https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18478
- af854a3a-2127-422b-91ae-364da2661108https://github.com/OpenSC/OpenSC/commit/6ce6152284c47ba9b1d4fe8ff9d2e6a3f5ee02c7
- af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NDSQLMZZYBHO5X3BK7D6E7E6NZIMZDI5/
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 13× in last 7d / 45× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
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- 2026-05-27 11:01 UTCGHSA enrichment
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Frequently asked(5)
What is CVE-2019-19480?
When was CVE-2019-19480 disclosed?
Is CVE-2019-19480 actively exploited?
What is the CVSS score of CVE-2019-19480?
How do I remediate CVE-2019-19480?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2019-19480
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