What is CVE-2026-42285?

CVE-2026-42285 is a high-severity vulnerability in Osrg Gobgp, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2026-05-07.

How severe is CVE-2026-42285?

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

NULL pointer dereference in Osrg Gobgp

CVE-2026-42285

GoBGP is an open source Border Gateway Protocol (BGP) implementation in the Go Programming Language. In version 4.4.0, an unauthenticated remote BGP peer can trigger a fatal panic in GoBGP by sending a specially crafted BGP UPDATE message…

EPSS: 0.002 (38.9th 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

Osrg Gobgp — versions 4.4.0, = 4.4.0

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

security-advisories@github.com (Product, x_refsource_MISC, Release Notes)
security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)

Frequently asked questions

What is CVE-2026-42285?: CVE-2026-42285 is a high-severity vulnerability in Osrg Gobgp, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2026-05-07.
How severe is CVE-2026-42285?: High severity. CVSS v3 base score is 7.5 out of 10.