What’s Vulnerable › Vulnerabilities

CVE-2017-6414

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-03-15 · updated 2026-06-17
• Weakness: CWE-772

Description

Memory leak in the vcard_apdu_new function in card_7816.c in libcacard before 2.5.3 allows local guest OS users to cause a denial of service (host memory consumption) via vectors related to allocating a new APDU object.

Affected products

• Libcacard Project Libcacard: before 2.5.3 — fixed in 2.5.3

How to fix

Upgrade to a fixed version: Libcacard Project Libcacard 2.5.3. Check the vendor advisory for mitigations.

References

• http://www.openwall.com/lists/oss-security/2017/03/01/11
• http://www.securityfocus.com/bid/96541
• https://access.redhat.com/errata/RHSA-2017:2408
• https://bugzilla.redhat.com/show_bug.cgi?id=1427833
• https://cgit.freedesktop.org/spice/libcacard/commit/?id=9113dc6a303604a2d9812ac70c17d076ef11886c
• https://cgit.freedesktop.org/spice/libcacard/tree/NEWS?id=aaa5251791bf0b1640afcba77a7d79ea23c42d53
• http://www.openwall.com/lists/oss-security/2017/03/01/11
• http://www.securityfocus.com/bid/96541
• https://access.redhat.com/errata/RHSA-2017:2408
• https://bugzilla.redhat.com/show_bug.cgi?id=1427833
• https://cgit.freedesktop.org/spice/libcacard/commit/?id=9113dc6a303604a2d9812ac70c17d076ef11886c
• https://cgit.freedesktop.org/spice/libcacard/tree/NEWS?id=aaa5251791bf0b1640afcba77a7d79ea23c42d53

Get alerted when CVE-2017-6414 or the next vulnerability affects your stack