CVE-2026-7736— osrg GoBGP mrt.go parseRibEntry integer underflow
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2026-7736
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗ Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
osrg GoBGP mrt.go parseRibEntry integer underflow
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was determined in osrg GoBGP up to 4.3.0. Affected by this vulnerability is the function parseRibEntry of the file pkg/packet/mrt/mrt.go. Executing a manipulation can lead to integer underflow. It is possible to launch the attack remotely. Upgrading to version 4.4.0 addresses this issue. This patch is called 76d911046344a3923cbe573364197aa081944592. It is suggested to 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:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
整数下溢(超界折返)
Source: NVD (National Vulnerability Database)
Vulnerability Title
GoBGP 数字错误漏洞
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及之前版本存在数字错误漏洞，该漏洞源于文件pkg/packet/mrt/mrt.go的函数parseRibEntry存在整数下溢，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-2026-7736
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-7736
请登录查看更多情报信息。
- CVE-2026-7736 | osrg GoBGP up to 4.3.0 pkg/packet/mrt/mrt.go parseRibEntry integer underflowvdb-entrytechnical-description
- https://nvd.nist.gov/vuln/detail/CVE-2026-7736
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-2026-7734 | 5.3 MEDIUM | osrg GoBGP SRv6 L3 Service prefix_sid.go SRv6L3ServiceAttribute.DecodeFromBytes denial of |
| 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-2026-7735
osrg GoBGP AIGP Attribute bgp.go PathAttributeAigp.DecodeFro
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-2026-7735
osrg GoBGP AIGP Attribute bgp.go PathAttributeAigp.DecodeFro
Same weakness: CWE-191
- CVE-2026-33845
Gnutls: gnutls: denial of service via dtls zero-length fragm - CVE-2026-7424
Integer Underflow in DHCPv6 Sub-Option Parser in FreeRTOS-Pl - CVE-2026-7423
Integer Underflow in ICMP Echo Reply Processing in FreeRTOS- - CVE-2026-6914
MD5 checksum creation may cause availability loss - CVE-2026-40356
MIT Kerberos 数字错误漏洞
V. Comments for CVE-2026-7736
No comments yet