142 lines
6.0 KiB
JSON
142 lines
6.0 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-2026-62963",
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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": "2026-07-14T22:32:17.732Z",
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"datePublished": "2026-07-16T19:34:48.882Z",
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"dateUpdated": "2026-07-17T13:46:40.652Z"
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},
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"containers": {
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"cna": {
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"title": "Centrifugo: Decompression bomb DoS via permessage-deflate in unidirectional WebSocket transport",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-409",
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"lang": "en",
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"description": "CWE-409: Improper Handling of Highly Compressed Data (Data Amplification)",
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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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"cvssV4_0": {
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"attackRequirements": "NONE",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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"vulnConfidentialityImpact": "NONE",
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"vulnIntegrityImpact": "NONE",
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"vulnAvailabilityImpact": "HIGH",
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"subConfidentialityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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"subAvailabilityImpact": "NONE",
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"baseScore": 8.7,
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"baseSeverity": "HIGH",
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
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"version": "4.0"
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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/centrifugal/centrifugo/security/advisories/GHSA-q6mr-3g59-5m8x",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/centrifugal/centrifugo/security/advisories/GHSA-q6mr-3g59-5m8x"
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},
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{
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"name": "https://github.com/centrifugal/centrifugo/pull/1162",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/centrifugal/centrifugo/pull/1162"
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},
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{
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"name": "https://github.com/centrifugal/centrifugo/commit/46d40e4ac3a5446c9745f8b219197166ae12a6e5",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/centrifugal/centrifugo/commit/46d40e4ac3a5446c9745f8b219197166ae12a6e5"
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},
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{
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"name": "https://github.com/centrifugal/centrifugo/releases/tag/v6.8.4",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/centrifugal/centrifugo/releases/tag/v6.8.4"
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}
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],
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"affected": [
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{
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"vendor": "centrifugal",
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"product": "centrifugo",
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"versions": [
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{
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"version": "< 6.8.4",
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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": "2026-07-16T19:34:48.882Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "Centrifugo is an open-source scalable real-time messaging server. Prior to 6.8.4, Centrifugo unidirectional WebSocket transport with uni_websocket.compression enabled enforced uni_websocket.message_size_limit against compressed wire-frame length in internal/websocket/conn.go advanceFrame, but ReadMessage used io.ReadAll after decompression without an output cap, allowing unauthenticated requests to /connection/uni_websocket to trigger large memory and CPU consumption. This issue is fixed in version 6.8.4."
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}
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],
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"source": {
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"advisory": "GHSA-q6mr-3g59-5m8x",
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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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"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": "2026-07-17T13:46:33.672302Z",
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"id": "CVE-2026-62963",
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"options": [
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{
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"Exploitation": "none"
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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": "2026-07-17T13:46:40.652Z"
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}
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}
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]
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}
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} |