cve.bz

CVE-2025-43972

7.5 highEPSS 0.6%

High (7.5) in osrg gobgp. EPSS 0.6% chance of exploitation in the next 30 days. Fixed in github.com/osrg/gobgp/v3 3.35.0.

An issue was discovered in GoBGP before 3.35.0. An attacker can cause a crash in the pkg/packet/bgp/bgp.go flowspec parser by sending fewer than 20 bytes in a certain context.

Severity

CVSS 3.1

7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
0.6% chance of exploitation in the next 30 days; higher than 46% of CVEs (scores of 2026-10-31)
CWE
CWE-1284
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-mfvv-mgf6-q25rGogithub.com/osrg/gobgpall versionsno fix published
GHSA-mfvv-mgf6-q25rGogithub.com/osrg/gobgp/v3<3.35.03.35.0
GO-2025-3632Gogithub.com/osrg/gobgpall versionsno fix published
GO-2025-3632Gogithub.com/osrg/gobgp/v3<3.35.03.35.0

References

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