CVE-2026-7734: Denial of Service in osrg GoBGP
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.
AI Analysis
Technical Summary
This vulnerability in osrg GoBGP (up to version 4.3.0) involves improper handling of input data in the SRv6L3ServiceAttribute.DecodeFromBytes function within the SRv6 L3 Service component. Remote attackers can exploit this flaw to cause a denial of service condition. The vulnerability is addressed by upgrading to version 4.4.0, with the patch identified by commit f9f7b55ec258e514be0264871fa645a2c3edad11. The product is cloud-hosted, and the vendor typically applies patches server-side.
Potential Impact
Exploitation of this vulnerability results in denial of service, potentially disrupting network routing services provided by GoBGP. There is no indication of privilege escalation, data disclosure, or code execution. No known exploits are reported in the wild at this time.
Mitigation Recommendations
A fix is available by upgrading to GoBGP version 4.4.0. Since GoBGP is offered as a cloud service, the vendor manages remediation server-side. Users should verify with the vendor that their service instance has been updated to the patched version to mitigate this vulnerability.
CVE-2026-7734: Denial of Service in osrg GoBGP
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 v4.0
Score 6.9medium
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in osrg GoBGP (up to version 4.3.0) involves improper handling of input data in the SRv6L3ServiceAttribute.DecodeFromBytes function within the SRv6 L3 Service component. Remote attackers can exploit this flaw to cause a denial of service condition. The vulnerability is addressed by upgrading to version 4.4.0, with the patch identified by commit f9f7b55ec258e514be0264871fa645a2c3edad11. The product is cloud-hosted, and the vendor typically applies patches server-side.
Potential Impact
Exploitation of this vulnerability results in denial of service, potentially disrupting network routing services provided by GoBGP. There is no indication of privilege escalation, data disclosure, or code execution. No known exploits are reported in the wild at this time.
Mitigation Recommendations
A fix is available by upgrading to GoBGP version 4.4.0. Since GoBGP is offered as a cloud service, the vendor manages remediation server-side. Users should verify with the vendor that their service instance has been updated to the patched version to mitigate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-05-03T16:16:17.495Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
- Is Cloud Service
- true
Threat ID: 69f83057cbff5d8610beff12
Added to database: 5/4/2026, 5:36:23 AM
Last enriched: 5/4/2026, 5:51:28 AM
Last updated: 6/17/2026, 3:42:21 PM
Views: 63
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