What’s Vulnerable › Vulnerabilities

CVE-2018-16422

• Severity: medium (CVSS 6.6 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-09-04 · updated 2026-06-17
• Weakness: CWE-119

Description

A single byte buffer overflow when handling responses from an esteid Card in sc_pkcs15emu_esteid_init in libopensc/pkcs15-esteid.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.

Affected products

• OpenSC: through 0.18.0

References

• https://access.redhat.com/errata/RHSA-2019:2154
• https://github.com/OpenSC/OpenSC/commit/360e95d45ac4123255a4c796db96337f332160ad#diff-d64c08c80437cf0006ada91e50f20ba0
• https://github.com/OpenSC/OpenSC/releases/tag/0.19.0-rc1
• https://lists.debian.org/debian-lts-announce/2019/09/msg00009.html
• https://www.x41-dsec.de/lab/advisories/x41-2018-002-OpenSC/
• https://access.redhat.com/errata/RHSA-2019:2154
• https://github.com/OpenSC/OpenSC/commit/360e95d45ac4123255a4c796db96337f332160ad#diff-d64c08c80437cf0006ada91e50f20ba0
• https://github.com/OpenSC/OpenSC/releases/tag/0.19.0-rc1
• https://lists.debian.org/debian-lts-announce/2019/09/msg00009.html
• https://www.x41-dsec.de/lab/advisories/x41-2018-002-OpenSC/

Get alerted when CVE-2018-16422 or the next vulnerability affects your stack