Medium
oak: ReDoS in x-forwarded-proto and x-forwarded-for headers
Type: advisorySources: OSV
oak is a middleware framework for Deno's native HTTP server, Deno Deploy, Node.js 16.5 and later, Cloudflare Workers and Bun. In versions 17.1.5 and below, it's possible to significantly slow down an oak server with specially crafted values of the x-forwarded-proto or x-forwarded-for headers.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2025-55152
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 7 Nov 2026, 05:32 UTC · Revision 1
Source evidence
oak: ReDoS in x-forwarded-proto and x-forwarded-for headers
core-osv · Original sourcePublished 9 Aug 2025, 01:29 UTC
oak is a middleware framework for Deno's native HTTP server, Deno Deploy, Node.js 16.5 and later, Cloudflare Workers and Bun. In versions 17.1.5 and below, it's possible to significantly slow down an oak server with specially crafted values of the x-forwarded-proto or x-forwarded-for headers.
osv:CVE-2025-55152
Complete source record
{
"id": "c5a34cf2e3296786ef045c8aed7a5d25e6ba1fe6fc901421c08131996cde695e",
"url": "https://osv.dev/vulnerability/CVE-2025-55152",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "oak: ReDoS in x-forwarded-proto and x-forwarded-for headers",
"summary": "oak is a middleware framework for Deno's native HTTP server, Deno Deploy, Node.js 16.5 and later, Cloudflare Workers and Bun. In versions 17.1.5 and below, it's possible to significantly slow down an oak server with specially crafted values of the x-forwarded-proto or x-forwarded-for headers.",
"evidence": "osv:CVE-2025-55152",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2025-55152",
"aliases": [
"CVE-2025-55152",
"GHSA-r3v7-pc4g-7xp9"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/oakserver/oak",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "cba00507b0f3965cb379d2368679b083097f270f"
},
{
"fixed": "b60e60330ef227707c4dc13ef0ea36192d894f44"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"fixed": "17.1.6"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StringRangeExpression"
},
{
"range": [
{
"fixed": "b60e60330ef227707c4dc13ef0ea36192d894f44"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
"v17.1.5",
"v17.1.4",
"v17.1.3",
"v17.1.2",
"v17.1.1",
"v17.1.0",
"v17.0.0",
"v16.1.0",
"v16.0.0",
"v15.0.0",
"14.2.0",
"v14.1.1",
"v14.1.0",
"v14.0.0",
"v13.2.5",
"13.2.4",
"v13.2.3",
"v13.2.2",
"v13.2.1",
"v13.2.0",
"v13.1.0",
"v13.0.1",
"v13.0.0",
"v12.6.2",
"v12.6.1",
"v12.6.0",
"v12.5.0",
"v12.4.0",
"v12.3.1",
"v12.3.0",
"v12.2.0",
"v12.1.0",
"v12.0.1",
"v12.0.0",
"v11.1.0",
"v11.0.0",
"v10.6.0",
"v10.5.1",
"v10.5.0",
"v10.4.0",
"v10.3.0",
"v10.2.1",
"v10.2.0",
"v10.1.1",
"v10.1.0",
"v10.0.0",
"v9.0.1",
"v9.0.0",
"v8.0.0",
"v7.7.0",
"v7.6.3",
"v7.6.2",
"v7.6.1",
"v7.6.0",
"v7.5.0",
"v7.4.1",
"v7.4.0",
"v7.3.0",
"v7.2.0",
"v7.1.0",
"v7.0.0",
"v6.5.1",
"v6.5.0",
"v6.4.2",
"v6.4.1",
"v6.4.0",
"v6.3.2",
"v6.3.1",
"v6.3.0",
"v6.2.0",
"v6.1.0",
"v6.0.2",
"v6.0.1",
"v6.0.0",
"v5.4.0",
"v5.3.1",
"v5.3.0",
"v5.2.0",
"v5.1.1",
"v5.1.0",
"v5.0.0",
"v4.0.0",
"v3.7.0",
"v3.6.0",
"v3.5.0",
"v3.4.0",
"v3.3.0",
"v3.2.0",
"v3.1.0",
"v3.0.0",
"v2.10.0",
"v2.9.0",
"v2.8.0",
"v2.7.0",
"v2.6.0",
"v2.5.0",
"v2.4.0",
"v2.3.0",
"v2.2.0",
"v2.1.0",
"v2.0.0",
"v1.0.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-55152.json"
}
}
],
"modified": "2026-10-28T02:30:49.839927246Z",
"provider": "osv",
"references": [
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/55xxx/CVE-2025-55152.json",
"https://github.com/oakserver/oak/security/advisories/GHSA-r3v7-pc4g-7xp9",
"https://nvd.nist.gov/vuln/detail/CVE-2025-55152",
"https://github.com/oakserver/oak/commit/b60e60330ef227707c4dc13ef0ea36192d894f44"
],
"provider_metadata": {
"cwe_ids": [
"CWE-1333",
"CWE-400"
],
"cna_assigner": "GitHub_M",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/55xxx/CVE-2025-55152.json"
}
},
"related_cves": [
{
"value": "CVE-2025-55152",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 518381,
"published_at": "2025-08-09T01:29:54.545+00:00"
}