What’s Vulnerable › Vulnerabilities

CVE-2019-19481

• Severity: medium (CVSS 4.6 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-12-01 · updated 2026-06-17
• Weakness: CWE-119

Description

An issue was discovered in OpenSC through 0.19.0 and 0.20.x through 0.20.0-rc3. libopensc/card-cac1.c mishandles buffer limits for CAC certificates.

Affected products

• OpenSC: 0.19.0, 0.20.0-rc1, 0.20.0-rc2, 0.20.0-rc3

References

• http://www.openwall.com/lists/oss-security/2019/12/29/1
• https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18618
• https://github.com/OpenSC/OpenSC/commit/b75c002cfb1fd61cd20ec938ff4937d7b1a94278
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NDSQLMZZYBHO5X3BK7D6E7E6NZIMZDI5/
• http://www.openwall.com/lists/oss-security/2019/12/29/1
• https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18618
• https://github.com/OpenSC/OpenSC/commit/b75c002cfb1fd61cd20ec938ff4937d7b1a94278
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NDSQLMZZYBHO5X3BK7D6E7E6NZIMZDI5/

Get alerted when CVE-2019-19481 or the next vulnerability affects your stack