VulnerabilityAnalyzed

CVE-2026-7736

A vulnerability was determined in osrg GoBGP up to 4.3.0.

MEDIUM 6.9EPSS 0.45%

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 · 38th percentile
CISA KEV: Not listed
Weakness: CWE-189, CWE-191
Affected: osrg/gobgp
Source: cna@vuldb.com

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. Refreshed daily.