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CVE-2019-19480

17
FAUCET Score

CVE-2019-19480 is a vulnerability in OpenSC versions through 0.19.0 and 0.20.x through 0.20.0-rc3, specifically an incorrect free operation in libopensc/pkcs15-prkey.c, affecting Linux systems utilizing OpenSC. This vulnerability has a CVSS v3.1 score of 4.6 (Medium), indicating a low attack complexity and requiring physical access (AV:P) to cause high availability impact (A:H), but no confidentiality or integrity impact. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.19.0CPE matchmatch criteria
cpe:2.3:a:opensc_project:opensc:*:*:*:*:*:*:*:*
0.20.0CPE matchmatch criteria
cpe:2.3:a:opensc_project:opensc:0.20.0:rc1:*:*:*:*:*:*
0.20.0CPE matchmatch criteria
cpe:2.3:a:opensc_project:opensc:0.20.0:rc2:*:*:*:*:*:*
0.20.0CPE matchmatch criteria
cpe:2.3:a:opensc_project:opensc:0.20.0:rc3:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.6MEDIUM

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

Attack Vector
PHYSICAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
0.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.57%
Probability of exploitation in next 30 days
EPSS Percentile
43.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0057 is in the 82nd percentile among its peer group of 1,532 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2019-19480Moderate

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

Oct 23, 2019

References

bugs.chromium.org / p/oss-fuzz/issues/detail
ExploitPatchThird Party Advisory
github.com / OpenSC/OpenSC/commit/6ce6152284c47ba9b1d4fe8ff9d2e6a3f5ee02c7
PatchThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/NDSQLMZZYBHO5X3BK7D6E7E6NZIMZDI5
openwall.com / lists/oss-security/2019/12/29/1
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