VDB

CVE-2018-16421

CVE-2018-16421 PUBLISHED

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.

PackageEcosystemFixed in
openscAlpine0.19.0-r0
openscopensc_project0.18.0

Affected products

VendorProductVersions
n/an/an/a
alpineopensc0
n/an/a*
amazon:2opensc0

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"

The Community plan is free and allows 50 queries a day. Get a free API key · API quickstart

References

Look up in the Resolve Platform →
$ Lookup Community · 50/day Open Lookup ›