140 lines
6.1 KiB
JSON
140 lines
6.1 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-84997",
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"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"state": "PUBLISHED",
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"assignerShortName": "GitHub_M",
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"dateReserved": "2026-09-02T18:12:13.535Z",
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"datePublished": "2026-09-16T14:07:52.948Z",
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"dateUpdated": "2026-09-16T14:46:47.220Z"
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},
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"containers": {
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"cna": {
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"title": "react/http: A malformed HTTP chunked body can lead to a denial-of-service and peg the CPU",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-835",
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"lang": "en",
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"description": "CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')",
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"type": "CWE"
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}
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]
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"attackComplexity": "LOW",
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"attackVector": "NETWORK",
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"availabilityImpact": "HIGH",
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"baseScore": 7.5,
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"baseSeverity": "HIGH",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"privilegesRequired": "NONE",
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"scope": "UNCHANGED",
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"userInteraction": "NONE",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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"version": "3.1"
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}
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}
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],
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"references": [
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{
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"name": "https://github.com/reactphp/http/security/advisories/GHSA-x424-64qh-5j54",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/reactphp/http/security/advisories/GHSA-x424-64qh-5j54"
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},
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{
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"name": "https://github.com/reactphp/http/commit/b6d4688790adf3797071fcf88a3fc4225f30486a",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/reactphp/http/commit/b6d4688790adf3797071fcf88a3fc4225f30486a"
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},
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{
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"name": "https://github.com/reactphp/http/releases/tag/v1.11.1",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/reactphp/http/releases/tag/v1.11.1"
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}
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],
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"affected": [
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{
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"vendor": "reactphp",
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"product": "http",
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"versions": [
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{
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"version": ">= 0.6.0, < 1.11.1",
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"status": "affected"
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}
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]
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}
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],
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"providerMetadata": {
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"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"shortName": "GitHub_M",
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"dateUpdated": "2026-09-16T14:07:52.948Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "react/http is an event-driven, streaming HTTP client and server implementation for ReactPHP. From 0.6.0 until 1.11.1, React\\Http\\Io\\ChunkedDecoder could enter an infinite loop while processing a malformed Transfer-Encoding: chunked body because handleData required its buffer to shrink on every iteration. An incomplete terminal-chunk trailer without CRLF left the buffer unchanged after strpos returned false, and exactly two non-CRLF bytes after a completed non-terminal chunk bypassed both the error and wait guards. The affected decoder processes request bodies for React\\Http\\HttpServer and response bodies for React\\Http\\Browser, allowing a malicious client to freeze a server or a malicious or compromised server to freeze a client. A reverse proxy that normalizes inbound requests may protect the server direction but does not protect outbound Browser requests. This issue is fixed in version 1.11.1."
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}
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],
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"source": {
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"advisory": "GHSA-x424-64qh-5j54",
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"discovery": "UNKNOWN"
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}
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},
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"adp": [
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{
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"references": [
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{
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"url": "https://github.com/reactphp/http/security/advisories/GHSA-x424-64qh-5j54",
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"tags": [
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"exploit"
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]
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}
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],
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-09-16T14:46:36.400582Z",
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"id": "CVE-2026-84997",
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"options": [
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{
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"Exploitation": "poc"
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},
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{
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"Automatable": "yes"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-09-16T14:46:47.220Z"
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}
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}
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]
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}
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} |