{"id":"GHSA-39qr-rc93-vhqm","revision":null,"records":[{"revision":"db43bd648c35443fb79af661e993a2bf","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-45047","aliases":[],"title":"bird-lg-go: Fatal Out-of-Memory (OOM) Denial of Service via Unbounded JSON Decoding","description":"bird-lg-go is a BIRD looking glass in Go. Prior to 1.4.5, the apiHandler (and similarly webHandlerTelegramBot) processes user-provided JSON payloads by directly using json.NewDecoder(r.Body).Decode(&request) without restricting the maximum read size. An unauthenticated remote attacker can stream an extremely large, endless JSON payload (e.g., several Gigabytes of padding) over a single TCP connection. Because Go's JSON decoder attempts to allocate memory for the entire parsed structure, this rapidly exhausts the host's physical RAM or container limits, leading to an unrecoverable fatal error: runtime: out of memory. This vulnerability is fixed in 1.4.5.","state":0,"publishedAt":"2026-05-27T16:37:36.191+00:00","modifiedAt":"2026-05-27T18:03:10.363+00:00","affected":[{"ecosystem":"Vendor product","name":"bird-lg-go","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"xddxdd\",\n                    \"product\": \"bird-lg-go\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< 1.4.5\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 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,"severity":"HIGH"}],"references":["https://github.com/xddxdd/bird-lg-go/security/advisories/GHSA-39qr-rc93-vhqm"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-45047","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-45047","identifiers":["CVE-2026-45047"]},"retained":false,"historicalAffected":[]},{"revision":"0f1e1a6f46af42ddb10c04da9b7b8f82","observedAt":"2026-11-07T13:22:51.639+00:00","statement":{"source":"euvd","id":"EUVD-2026-32583","aliases":["CVE-2026-45047","GHSA-39qr-rc93-vhqm"],"title":"bird-lg-go is a BIRD looking glass in Go. 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This vulnerability is fixed in 1.4.5.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 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,"severity":null}],"references":["https://github.com/xddxdd/bird-lg-go/security/advisories/GHSA-39qr-rc93-vhqm"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-32583","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"May 27, 2026, 4:37:36 PM","dateUpdated":"May 27, 2026, 6:03:10 PM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2026-32583","identifiers":["EUVD-2026-32583","CVE-2026-45047","GHSA-39qr-rc93-vhqm"]},"retained":false,"historicalAffected":[]},{"revision":"8124c52c1b264312b7c82328d67c7794","observedAt":"2026-10-27T11:12:23.45+00:00","statement":{"source":"nvd","id":"CVE-2026-45047","aliases":[],"title":"bird-lg-go is a BIRD looking glass in Go. Prior to 1.4.5, the apiHandler (and similarly webHandlerTelegramBot) processes user-provided JSON payloads by directly using json.NewDecoder(r.Body).Decode(&request) without restricting the maximum …","description":"bird-lg-go is a BIRD looking glass in Go. Prior to 1.4.5, the apiHandler (and similarly webHandlerTelegramBot) processes user-provided JSON payloads by directly using json.NewDecoder(r.Body).Decode(&request) without restricting the maximum read size. An unauthenticated remote attacker can stream an extremely large, endless JSON payload (e.g., several Gigabytes of padding) over a single TCP connection. Because Go's JSON decoder attempts to allocate memory for the entire parsed structure, this rapidly exhausts the host's physical RAM or container limits, leading to an unrecoverable fatal error: runtime: out of memory. This vulnerability is fixed in 1.4.5.","state":0,"publishedAt":"2026-05-27T18:16:24.15+00:00","modifiedAt":"2026-10-26T11:10:00.157+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · security-advisories@github.com · Secondary","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5,"severity":"HIGH"}],"references":["https://github.com/xddxdd/bird-lg-go/security/advisories/GHSA-39qr-rc93-vhqm"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-45047","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Deferred","weaknesses":["CWE-400"],"productCriteria":[],"sourceDates":{"published":"2026-05-27T18:16:24.150","lastModified":"2026-10-26T11:10:00.157"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-45047","identifiers":["CVE-2026-45047"]},"retained":false,"historicalAffected":[]},{"revision":"ccd97bc1bef64128a051ac0af3244593","observedAt":"2026-10-24T13:19:41.952+00:00","statement":{"source":"osv","id":"GHSA-39qr-rc93-vhqm","aliases":["CVE-2026-45047","GO-2026-5077"],"title":"Bird-lg-go has a Fatal Out-of-Memory (OOM) Denial of Service via Unbounded JSON Decoding","description":"### Summary\nThe `apiHandler` (and similarly `webHandlerTelegramBot`) processes user-provided JSON payloads by directly using `json.NewDecoder(r.Body).Decode(&request)` without restricting the maximum read size. An unauthenticated remote attacker can stream an extremely large, endless JSON payload (e.g., several Gigabytes of padding) over a single TCP connection. Because Go's JSON decoder attempts to allocate memory for the entire parsed structure, this rapidly exhausts the host's physical RAM or container limits, leading to an unrecoverable `fatal error: runtime: out of memory`. \n\nThis causes the Linux OOM Killer to instantly terminate the entire `bird-lg-go` daemon, resulting in a severe Remote Denial of Service (RDoS).\n\n### Details\nIn `api.go`:\n```go\nfunc apiHandler(w http.ResponseWriter, r *http.Request) {\n    var request apiRequest\n    // VULNERABILITY: No http.MaxBytesReader protection before JSON decode\n    err := json.NewDecoder(r.Body).Decode(&request) \n    // ...","state":0,"publishedAt":"2026-05-11T16:17:48+00:00","modifiedAt":"2026-06-25T18:56:27.8767883+00:00","affected":[{"ecosystem":"Go","name":"github.com/xddxdd/bird-lg-go","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"0.0.0-20260507060110-0ff87024cb9e"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V3","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"HIGH"}],"references":["https://github.com/xddxdd/bird-lg-go/security/advisories/GHSA-39qr-rc93-vhqm","https://nvd.nist.gov/vuln/detail/CVE-2026-45047","https://github.com/xddxdd/bird-lg-go/commit/0ff87024cb9ed01fc5f5fdc6f4603fce4c123922","https://github.com/xddxdd/bird-lg-go","https://github.com/xddxdd/bird-lg-go/releases/tag/v1.4.5"],"sourceUrl":"https://github.com/advisories/GHSA-39qr-rc93-vhqm","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-39qr-rc93-vhqm","identifiers":["GHSA-39qr-rc93-vhqm","CVE-2026-45047","GO-2026-5077"]},"retained":false,"historicalAffected":[]},{"revision":"a6ec7900c0ea46f2bb406090335e94c5","observedAt":"2026-10-24T13:19:41.952+00:00","statement":{"source":"osv","id":"GO-2026-5077","aliases":["CVE-2026-45047","GHSA-39qr-rc93-vhqm"],"title":"Bird-lg-go has a Fatal Out-of-Memory (OOM) Denial of Service via Unbounded JSON Decoding in github.com/xddxdd/bird-lg-go","description":"Bird-lg-go has a Fatal Out-of-Memory (OOM) Denial of Service via Unbounded JSON Decoding in github.com/xddxdd/bird-lg-go","state":0,"publishedAt":"2026-06-25T18:26:48+00:00","modifiedAt":"2026-06-25T18:45:16.4547572+00:00","affected":[{"ecosystem":"Go","name":"github.com/xddxdd/bird-lg-go","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"0.0.0-20260507060110-0ff87024cb9e"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[],"references":["https://github.com/xddxdd/bird-lg-go/security/advisories/GHSA-39qr-rc93-vhqm","https://nvd.nist.gov/vuln/detail/CVE-2026-45047","https://github.com/xddxdd/bird-lg-go/commit/0ff87024cb9ed01fc5f5fdc6f4603fce4c123922","https://github.com/xddxdd/bird-lg-go/releases/tag/v1.4.5"],"sourceUrl":"https://osv.dev/vulnerability/GO-2026-5077","license":"OSV · upstream source license applies","key":"osv:GO-2026-5077","identifiers":["GO-2026-5077","CVE-2026-45047","GHSA-39qr-rc93-vhqm"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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