Cyber Resilience

CVE-2025-43973

Medium

Published: 21 April 2025

Published
21 April 2025
Modified
08 May 2025
KEV Added
—
Patch
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CVSS Score v3.1 6.8 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
EPSS Score 0.0003 7.6th percentile
Risk Priority 14 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-43973 is a medium-severity Off-by-one Error (CWE-193) vulnerability in Osrg Gobgp. Its CVSS base score is 6.8 (Medium).

Operationally, ranked at the 7.6th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

An issue was discovered in GoBGP before 3.35.0. pkg/packet/rtr/rtr.go does not verify that the input length corresponds to a situation in which all bytes are available for an RTR message.

CWE(s)
CWE-193

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

osrg
gobgp
≤ 3.35.0

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References