CVE-2017-8289: Stack-based buffer overflow in the ipv6_addr_from_str function in sys/net/network_layer/ipv6/addr/ipv6_addr_fr

Q: How do I fix CVE-2017-8289?

riot: upgrade to newer than 2017.01. Exact commands for each OS are on this page.

Q: Is CVE-2017-8289 being exploited?

CVE-2017-8289 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2017-8289 affect?

CVE-2017-8289 affects riot. Severity is critical (CVSS 9.8). 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 pos

Q: How urgent is CVE-2017-8289?

Priority 59/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2017-8289 is a critical-severity flaw (CVSS 9.8) affecting riot. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.8% (top 21%)
CISA exploited list	No
Weakness	CWE-119
Published	2017-04-27
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: riot project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2017-04-27 01:59 UTCPublished CVE record published
2026-06-17 01:26 UTCUpdated Record last modified

riot project riot UPGRADE

Affected: <= 2017.01

Fixed in: newer than 2017.01

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy riot || rpm -q riot || riot --version

2. UPGRADE to newer than 2017.01 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade riot

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade riot

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2017-8289?

riot: upgrade to newer than 2017.01. Exact commands for each OS are on this page.

Is CVE-2017-8289 being exploited?

CVE-2017-8289 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2017-8289 affect?

CVE-2017-8289 affects riot. Severity is critical (CVSS 9.8). 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 pos

How urgent is CVE-2017-8289?

Priority 59/100. Critical severity; Remotely exploitable, no login, no user action

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References

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