CVE-2026-7736
A vulnerability was determined in osrg GoBGP up to 4.3.0.
Does this matter?
Lower severity and a low EPSS score (0.45%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 4.0
- 6.9 MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/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
- 0.45% probability · 39th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-189, CWE-191
- Affected
- osrg/gobgp
- Source
- cna@vuldb.com
EPSS 0.5% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/osrg/gobgp/Product
- https://github.com/osrg/gobgp/commit/76d911046344a3923cbe573364197aa081944592Patch
- https://github.com/osrg/gobgp/releases/tag/v4.4.0Patch, Product
- https://vuldb.com/submit/807604Third Party Advisory, VDB Entry
- https://vuldb.com/vuln/360911Third Party Advisory, VDB Entry
- https://vuldb.com/vuln/360911/ctiPermissions Required, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.