CVE-2021-42778
MEDIUM
5.3
CVSS Score
Published: April 18, 2022 at 04:20 PM UTC
Updated: June 17, 2026 at 04:10 AM UTC
3 products affected across 3 vendorsFedoraEnterprise LinuxOpenSC
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Severity
MEDIUM5.3
Exploit prediction
EPSS 2%
Description
A heap double free issue was found in Opensc before version 0.22.0 in sc_pkcs15_free_tokeninfo.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
95%
v < 0.22.00.22.0
Affected range stops below 0.22.0, 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:
References (5)
x_refsource_MISCIssue TrackingMailing ListPatchThird Party Advisory
Source: [email protected]
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28185x_refsource_MISCIssue TrackingPatchThird Party Advisory
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=2016083x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/OpenSC/OpenSC/commit/f015746dVendor Advisoryx_refsource_GENTOOThird Party Advisory
Source: [email protected]
https://security.gentoo.org/glsa/202209-03Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.debian.org/debian-lts-announce/2024/12/msg00026.htmlCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- LOW
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-672CWE-415
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