Double Free in Opensc Project
CVE-2021-42778
A heap double free issue was found in Opensc before version 0.22.0 in sc_pkcs15_free_tokeninfo.
EPSS: 0.021 (79.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
Affected products
- Opensc_project Opensc
- Fedoraproject Fedora — versions 33
- Redhat Enterprise_linux — versions 7.0, 8.0
- N/a Opensc — versions opensc 0.22.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (Patch, Mailing List, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2021-42778?
- CVE-2021-42778 is a medium-severity vulnerability in Opensc Project, classified under Operation on a Resource after Expiration or Release. CVSS score: 5.3/10. Published 2022-04-18.
- How severe is CVE-2021-42778?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2021-42778 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.