VulnerabilityAnalyzed

CVE-2026-7734

A vulnerability has been found in osrg GoBGP up to 4.3.0.

MEDIUM 6.9EPSS 0.46%

Does this matter?

Lower severity and a low EPSS score (0.46%). Track it; it rarely justifies an emergency change on its own.

Description

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: 6.9 MEDIUMCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS: 0.46% probability · 39th percentile
CISA KEV: Not listed
Weakness: CWE-404
Affected: osrg/gobgp
Source: cna@vuldb.com

References

https://github.com/osrg/gobgp/Product
https://github.com/osrg/gobgp/commit/f9f7b55ec258e514be0264871fa645a2c3edad11Patch
https://github.com/osrg/gobgp/releases/tag/v4.4.0Patch, Product
https://vuldb.com/submit/807581Third Party Advisory, VDB Entry
https://vuldb.com/vuln/360909Third Party Advisory, VDB Entry
https://vuldb.com/vuln/360909/ctiPermissions Required, VDB Entry

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.