CVE-2026-7734— osrg GoBGP SRv6 L3 Service prefix_sid.go SRv6L3ServiceAttribute.DecodeFromBytes denial of service
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I. Basic Information for CVE-2026-7734
Vulnerability Information
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Vulnerability Title
osrg GoBGP SRv6 L3 Service prefix_sid.go SRv6L3ServiceAttribute.DecodeFromBytes denial of service
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
不恰当的资源关闭或释放
Source: NVD (National Vulnerability Database)
Vulnerability Title
GoBGP 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GoBGP是osrg开源的一种开源的边界网关协议（BGP）实现。 GoBGP 4.3.0及之前版本存在安全漏洞，该漏洞源于组件SRv6 L3 Service中文件pkg/packet/bgp/prefix_sid.go的函数SRv6L3ServiceAttribute.DecodeFromBytes对参数data操作导致拒绝服务，攻击者可远程执行攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-7734
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Same Patch Batch · osrg · 2026-05-04 · 4 CVEs total
| CVE-2026-7735 | 7.3 HIGH | osrg GoBGP AIGP Attribute bgp.go PathAttributeAigp.DecodeFromBytes buffer overflow |
| CVE-2026-7736 | 7.3 HIGH | osrg GoBGP mrt.go parseRibEntry integer underflow |
| CVE-2026-7737 | 5.3 MEDIUM | osrg GoBGP BMP Parser bmp.go BMPStatisticsReport.ParseBody out-of-bounds |
IV. Related Vulnerabilities
Same product: GoBGP
- CVE-2026-41643
GoBGP: Remote Denial of Service (Panic) in UpdatePathAttrs4B - CVE-2026-42285
GoBGP: Panic in AdjRib.Update via malformed BGP Update messa - CVE-2026-41642
GoBGP: Remote Denial of Service (Panic) via Malformed Well-k - CVE-2026-7737
osrg GoBGP BMP Parser bmp.go BMPStatisticsReport.ParseBody o - CVE-2026-7736
osrg GoBGP mrt.go parseRibEntry integer underflow
Same vendor: osrg
- CVE-2026-41643
GoBGP: Remote Denial of Service (Panic) in UpdatePathAttrs4B - CVE-2026-42285
GoBGP: Panic in AdjRib.Update via malformed BGP Update messa - CVE-2026-41642
GoBGP: Remote Denial of Service (Panic) via Malformed Well-k - CVE-2026-7737
osrg GoBGP BMP Parser bmp.go BMPStatisticsReport.ParseBody o - CVE-2026-7736
osrg GoBGP mrt.go parseRibEntry integer underflow
Same weakness: CWE-404
- CVE-2026-8270
Open5GS SMF ogs_nas_parse_qos_rules denial of service - CVE-2026-8269
Open5GS SMF smf_nsmf_handle_create_sm_context denial of serv - CVE-2026-8268
Open5GS SMF OpenAPI_list_create denial of service - CVE-2026-8267
Open5GS SMF smf_nsmf_handle_created_data_in_vsmf denial of s - CVE-2026-8266
Open5GS SMF gsm-build.c gsm_build_pdu_session_establishment_
V. Comments for CVE-2026-7734
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