{"cve":"CVE-2026-7736","nvd":{"published":"2026-05-04T07:16:01.517","modified":"2026-10-26T19:10:00.163","status":"Analyzed","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_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","score":6.9},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-189","CWE-191"],"references":["https://github.com/osrg/gobgp/","https://github.com/osrg/gobgp/commit/76d911046344a3923cbe573364197aa081944592","https://github.com/osrg/gobgp/releases/tag/v4.4.0","https://vuldb.com/submit/807604","https://vuldb.com/vuln/360911"],"products":["osrg:gobgp"],"source":"nvd","synced_at":"2026-10-26T19:31:02.781428341+00:00"},"epss":{"cve":"CVE-2026-7736","score":0.00454,"percentile":0.39191,"date":"2026-10-26"},"kev":null,"osv":[{"id":"GHSA-hj4w-qr9j-c4cf","url":"https://osv.dev/vulnerability/GHSA-hj4w-qr9j-c4cf","summary":"GoBGP has an Integer Underflow Issue","modified":"2026-07-07T20:41:31.868451517Z","packages":[{"ecosystem":"Go","name":"github.com/osrg/gobgp/v4","purl":"pkg:golang/github.com/osrg/gobgp/v4","ranges":["<4.4.0"],"fixed":["4.4.0"]}]},{"id":"GO-2026-5427","url":"https://osv.dev/vulnerability/GO-2026-5427","summary":"GoBGP has an Integer Underflow Issue in github.com/osrg/gobgp","modified":"2026-07-07T20:30:13.642501939Z","packages":[{"ecosystem":"Go","name":"github.com/osrg/gobgp/v4","purl":"pkg:golang/github.com/osrg/gobgp/v4","ranges":["<4.4.0"],"fixed":["4.4.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}