CVE-2026-7734: medium-severity vulnerability in osrg GoBGP
osrg GoBGP SRv6 L3 Service prefix_sid.go SRv6L3ServiceAttribute.DecodeFromBytes denial of service
Published
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.9epss 0.5%
A vulnerability has been found in osrg GoBGP up to 4.3.0. This impacts the function SRv6L3ServiceAttribute.DecodeFromBytes of the file pkg/packet/bgp/prefix_sid.go of the component SRv6 L3 Service. Such manipulation of the argument data leads to denial of service. The attack may be performed from remote. Upgrading to version 4.4.0 will fix this issue. The name of the patch is f9f7b55ec258e514be0264871fa645a2c3edad11. You should upgrade the affected component.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X
Affected products
osrg · GoBGPRelated CVEs — osrg GoBGP
In the same product, most dangerous first.
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-2026-7736MEDIUMosrg 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%CVE-2026-5124MEDIUMosrg GoBGP BGP Header bgp.go BGPHeader.DecodeFromBytes access controlEPSS 0.3%