What is CVE-2026-45047?

CVE-2026-45047 is a high-severity vulnerability in Xddxdd Bird-lg-go, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-05-27.

How severe is CVE-2026-45047?

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

Resource exhaustion in Xddxdd Bird-lg-go

CVE-2026-45047

bird-lg-go is a BIRD looking glass in Go. Prior to 1.4.5, the apiHandler (and similarly webHandlerTelegramBot) processes user-provided JSON payloads by directly using json.NewDecoder(r.Body).Decode(&request) without restricting the maximum…

Vulnerability class: DoS (Denial of Service)

EPSS: 0.001 (28.6th 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

Xddxdd Bird-lg-go — versions < 1.4.5

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-45047?: CVE-2026-45047 is a high-severity vulnerability in Xddxdd Bird-lg-go, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-05-27.
How severe is CVE-2026-45047?: High severity. CVSS v3 base score is 7.5 out of 10.