CVE-2018-16421
Reported by mitre · Published September 4, 2018
Several buffer overflows when handling responses from a CAC Card in cac_get_serial_nr_from_CUID in libopensc/card-cac.c in OpenSC before 0.19.0-rc1 could be used by attackers able to supply crafted smartcards to cause a denial of service (application crash) or possibly have unspecified other impact.
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| opensc | Alpine | 0.19.0-r0 |
| opensc | opensc_project | 0.18.0 |
Affected products
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
| alpine | opensc | 0 |
| n/a | n/a | * |
| amazon:2 | opensc | 0 |
Timeline
- Sep 4, 2018 CVE Published
- Apr 14, 2021 EPSS Score (30 in total, the first dated here)
- Nov 21, 2024 CVE Updated
- Jun 1, 2026 Security Advisory (2 in total, the first dated here)
- Aug 9, 2026 Distribution Patch
- Sep 23, 2026 Coalition ESS Score
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln CVE-2018-16421
vulnetix vdb fixes CVE-2018-16421
Or with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
"https://api.vdb.vulnetix.com/v2/vuln/CVE-2018-16421/fixes/registry"
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References
- x_refsource_MISC
- x_refsource_MISC
- x_refsource_MISC
- RHSA-2019:2154 vendor-advisoryx_refsource_REDHAT
- [debian-lts-announce] 20190911 [SECURITY] [DLA 1916-1] opensc security update mailing-listx_refsource_MLIST