{"id":"CVE-2026-7737","aliases":["GHSA-w88c-9vg8-cmq8","GO-2026-5699"],"title":"GoBGP has Improper Restriction of Operations within the Bounds of a Memory Buffer","summary":"GoBGP has Improper Restriction of Operations within the Bounds of a Memory Buffer","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","vendor":"osrg","product":"github.com/osrg/gobgp","ecosystem":"go","affected":["github.com/osrg/gobgp < 4.4.0"],"patched":["github.com/osrg/gobgp 4.4.0"],"published":"2026-05-04","updated":"2026-07-07","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/GHSA-w88c-9vg8-cmq8","references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-7737"},{"url":"https://github.com/osrg/gobgp/commit/bc77597d42335c78464bc8e15a471d887bbdf260"},{"url":"https://github.com/osrg/gobgp"},{"url":"https://github.com/osrg/gobgp/releases/tag/v4.4.0"},{"url":"https://vuldb.com/submit/807605"},{"url":"https://vuldb.com/vuln/360912"},{"url":"https://vuldb.com/vuln/360912/cti"}],"tags":["osv","go"],"epss":0.00631,"epssPercentile":0.48849,"ingestedAt":"2026-07-09T18:56:36.961Z","slug":"CVE-2026-7737","body":"## Overview\n\nA vulnerability was identified in osrg GoBGP up to 4.3.0. Affected by this issue is the function BMPPeerUpNotification.ParseBody/BMPStatisticsReport.ParseBody of the file pkg/packet/bmp/bmp.go of the component BMP Parser. The manipulation leads to out-of-bounds read. The attack can be initiated remotely. Upgrading to version 4.4.0 can resolve this issue. The identifier of the patch is bc77597d42335c78464bc8e15a471d887bbdf260. Upgrading the affected component is recommended.\n\n## Affected packages\n\n- `github.com/osrg/gobgp < 4.4.0`\n\n## Remediation\n\nUpgrade to a patched release:\n\n- `github.com/osrg/gobgp 4.4.0`","depth":"sunlit","depthScore":29,"depthScoreParts":{"impact":29.2,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}