CVE-2026-5122: falha de média gravidade em osrg GoBGP
osrg GoBGP BGP OPEN Message bgp.go DecodeFromBytes access control
Publicada em
Aviso por e-mail quando ela entrar no KEV, ganhar PoC pública ou subir de nota.
13Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 6.3epss 0.3%
A security flaw has been discovered in osrg GoBGP up to 4.3.0. This affects the function DecodeFromBytes of the file pkg/packet/bgp/bgp.go of the component BGP OPEN Message Handler. Performing a manipulation of the argument domainNameLen results in improper access controls. The attack may be initiated remotely. A high degree of complexity is needed for the attack. The exploitability is reported as difficult. The patch is named 2b09db390a3d455808363c53e409afe6b1b86d2d. It is suggested to install a patch to address this issue.
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X
Produtos afetados
osrg · GoBGPCVEs relacionadas — osrg GoBGP
No mesmo produto, das mais perigosas para as menos.
CVE-2026-7737MEDIUMosrg GoBGP BMP Parser bmp.go BMPStatisticsReport.ParseBody out-of-boundsEPSS 0.6%CVE-2025-7464MEDIUMosrg GoBGP rtr.go SplitRTR out-of-boundsEPSS 0.5%CVE-2026-7734MEDIUMosrg GoBGP SRv6 L3 Service prefix_sid.go SRv6L3ServiceAttribute.DecodeFromBytes denial of serviceEPSS 0.5%CVE-2026-7736MEDIUMosrg GoBGP mrt.go parseRibEntry integer underflowEPSS 0.5%CVE-2026-5123MEDIUMosrg GoBGP bgp.go DecodeFromBytes off-by-oneEPSS 0.4%CVE-2026-7735MEDIUMosrg GoBGP AIGP Attribute bgp.go PathAttributeAigp.DecodeFromBytes buffer overflowEPSS 0.4%