CVE-2019-20792
MEDIUM
6.8
CVSS Score
Published: April 29, 2020 at 03:53 AM UTC
Updated: June 17, 2026 at 02:31 AM UTC
1 product affected across 1 vendorOpenSC
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Severity
MEDIUM6.8
Exploit prediction
EPSS 0.7%
Description
OpenSC before 0.20.0 has a double free in coolkey_free_private_data because coolkey_add_object in libopensc/card-coolkey.c lacks a uniqueness check.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 0.20.0
Affected range stops below 0.20.0, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (3)
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19208x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/OpenSC/OpenSC/commit/c246f6f69a749d4f68626b40795a4f69168008f4x_refsource_MISCRelease NotesThird Party Advisory
Source: [email protected]
https://github.com/OpenSC/OpenSC/compare/0.19.0...0.20.0CVSS
- Attack Vector
- PHYSICAL
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-415
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