What is CVE-2026-43988?

CVE-2026-43988 is a high-severity vulnerability in Riebl Vanetza, classified under CWE-248. CVSS score: 7.5/10. Published 2026-05-26.

How severe is CVE-2026-43988?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Riebl Vanetza

CVE-2026-43988

Vanetza is an open-source implementation of the ETSI C-ITS protocol suite. In 26.02 and earlier, a denial-of-service vulnerability was identified in the ASN.1/OER parsing pipeline of Vanetza. When processing malformed network packets conta…

EPSS: 0.000 (11.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Riebl Vanetza — versions < 62dfe58a8342512b6e1947d75821402ada524f1a, <= 26.02

Weakness classification (CWE)

CWE-248

References

security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-43988?: CVE-2026-43988 is a high-severity vulnerability in Riebl Vanetza, classified under CWE-248. CVSS score: 7.5/10. Published 2026-05-26.
How severe is CVE-2026-43988?: High severity. CVSS v3 base score is 7.5 out of 10.