How severe is CVE-2019-1000006?

CVE-2019-1000006 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-1000006 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-1000006?

CVE-2019-1000006 affects Riot-os Riot. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-1000006?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2019-1000006 published?

CVE-2019-1000006 was published on 2019-02-04 and last updated on 2026-06-17.

CVE-2019-1000006

CVE-2019-1000006 is a critical-severity vulnerability in Riot-os Riot with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Riot-os Riot
Published: 2019-02-04
Last modified: 2026-06-17

Description

RIOT RIOT-OS version after commit 7af03ab624db0412c727eed9ab7630a5282e2fd3 contains a Buffer Overflow vulnerability in sock_dns, an implementation of the DNS protocol utilizing the RIOT sock API that can result in Remote code executing. This attack appears to be exploitable via network connectivity.

Frequently asked questions

What is CVE-2019-1000006?: RIOT RIOT-OS version after commit 7af03ab624db0412c727eed9ab7630a5282e2fd3 contains a Buffer Overflow vulnerability in sock_dns, an implementation of the DNS protocol utilizing the RIOT sock API that can result in Remote code executing. This attack appears to be exploitable via network connectivity.
How severe is CVE-2019-1000006?: CVE-2019-1000006 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-1000006 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-1000006?: CVE-2019-1000006 affects Riot-os Riot. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-1000006?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-1000006 published?: CVE-2019-1000006 was published on 2019-02-04 and last updated on 2026-06-17.

References

https://github.com/RIOT-OS/RIOT/issues/10739

Affected products (1)

cpe:2.3:o:riot-os:riot:*:*:*:*:*:*:*:*

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