CVE-2026-7734

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 v3 5.3 MEDIUM
CVSS v2.0 5.0 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://github.com/osrg/gobgp/	Product
https://github.com/osrg/gobgp/commit/f9f7b55ec258e514be0264871fa645a2c3edad11	Patch
https://github.com/osrg/gobgp/releases/tag/v4.4.0	Patch Product
https://vuldb.com/submit/807581	Third Party Advisory VDB Entry
https://vuldb.com/vuln/360909	Third Party Advisory VDB Entry
https://vuldb.com/vuln/360909/cti	Permissions Required VDB Entry

Configurations

Configuration 1 (hide)

cpe:2.3:a:osrg:gobgp:*:*:*:*:*:*:*:*

History

26 Oct 2026, 19:10

Type	Values Removed	Values Added
Summary		(es) Se ha encontrado una vulnerabilidad en osrg GoBGP hasta la versión 4.3.0. Esto afecta a la función SRv6L3ServiceAttribute.DecodeFromBytes del archivo pkg/packet/bgp/prefix_sid.go del componente SRv6 L3 Service. Dicha manipulación de los datos del argumento conduce a una denegación de servicio. El ataque puede realizarse de forma remota. La actualización a la versión 4.4.0 solucionará este problema. El nombre del parche es f9f7b55ec258e514be0264871fa645a2c3edad11. Debe actualizar el componente afectado.

Information

Published : 2026-05-04 06:16

Updated : 2026-10-26 19:10

NVD link : CVE-2026-7734

Mitre link : CVE-2026-7734

CVE.ORG link : CVE-2026-7734

JSON object : View

Products Affected

osrg

gobgp

CWE

CWE-404

Improper Resource Shutdown or Release

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