145 lines
5.4 KiB
JSON
145 lines
5.4 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-2026-115482",
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"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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"state": "PUBLISHED",
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"assignerShortName": "mitre",
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"dateReserved": "2026-10-22T15:07:30.097Z",
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"datePublished": "2026-10-22T15:07:30.961Z",
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"dateUpdated": "2026-10-22T19:00:31.416Z"
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},
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"containers": {
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"cna": {
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"affected": [
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{
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"defaultStatus": "unaffected",
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"product": "lsquic",
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"vendor": "litespeedtech",
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"versions": [
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{
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"lessThan": "4.9.0",
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"status": "affected",
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"version": "0",
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"versionType": "semver"
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}
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]
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}
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],
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"descriptions": [
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{
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"lang": "en",
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"value": "In lsquic before 4.9.0, the HTTP/3 implementation can use an excessive amount of memory because the number of buffered header sets is not limited, as demonstrated by a QPACK amplification attack. This is related to header_out_dynamic_entry and es_max_header_list_size."
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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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"format": "CVSS",
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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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]
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}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-770",
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"description": "CWE-770 Allocation of Resources Without Limits or Throttling",
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"lang": "en",
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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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"providerMetadata": {
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"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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"shortName": "mitre",
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"dateUpdated": "2026-10-22T15:07:30.961Z"
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},
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"references": [
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{
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"url": "https://github.com/litespeedtech/lsquic/pull/666"
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},
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{
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"url": "https://github.com/litespeedtech/lsquic/compare/v4.8.2...v4.9.0"
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},
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{
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"url": "https://foxio.io/blog/header-accordions-qpack-amplification-attacks-against-http-3-servers"
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}
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],
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"x_generator": {
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"engine": "CVE-Request-form 0.0.1"
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},
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:litespeedtech:lsquic:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "4.9.0"
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}
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]
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}
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]
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}
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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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"id": "CVE-2026-115482",
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"role": "CISA Coordinator",
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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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"version": "2.0.3",
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"timestamp": "2026-10-22T18:34:24.530507Z"
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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": "2026-10-22T19:00:31.416Z"
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}
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}
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]
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}
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} |