179 lines
6.7 KiB
JSON
179 lines
6.7 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-2026-96405",
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"assignerOrgId": "206fc3a0-e175-490b-9eaa-a5738056c9f6",
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"state": "PUBLISHED",
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"assignerShortName": "NLnet Labs",
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"dateReserved": "2026-10-14T09:16:14.093Z",
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"datePublished": "2026-10-21T08:57:26.986Z",
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"dateUpdated": "2026-10-29T19:07:33.197Z"
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},
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"containers": {
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"cna": {
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"title": "Aggregate DNS name chained pointer decompression work leads to degradation of service.",
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"datePublic": "2026-10-21T00:00:00.000Z",
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"affected": [
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{
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"vendor": "NLnet Labs",
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"product": "Unbound",
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"versions": [
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{
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"version": "0",
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"status": "affected",
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"lessThan": "1.26.2",
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"versionType": "semver"
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}
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],
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"defaultStatus": "unaffected"
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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": "NLnet Labs Unbound up to and including version 1.26.1 limits compression-pointer traversal for each individual domain-name operation but has no aggregate inbound decompression-work budget. Many chained compression pointers in a message results in a lot of CPU usage following them. A malicious actor with recursive-query access and control of an ordinarily delegated authority that serves specially crafted replies can exploit the vulnerability and degrade Unbound's general performance."
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}
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],
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"metrics": [
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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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"cvssV3_1": {
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"version": "3.1",
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"baseScore": 5.3,
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"baseSeverity": "MEDIUM",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"
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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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"lang": "en",
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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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"type": "CWE"
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}
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]
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}
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],
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"solutions": [
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{
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"lang": "en",
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"value": "This issue is fixed starting with version 1.26.2"
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}
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],
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"timeline": [
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{
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"time": "2026-07-16T00:00:00.000Z",
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"lang": "en",
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"value": "Issue reported by Yuheng Zhang"
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},
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{
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"time": "2026-07-17T00:00:00.000Z",
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"lang": "en",
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"value": "NLnet Labs shares patch"
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},
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{
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"time": "2026-07-17T00:00:00.000Z",
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"lang": "en",
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"value": "Yuheng Zhang requests changes"
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},
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{
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"time": "2026-07-21T00:00:00.000Z",
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"lang": "en",
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"value": "NLnet Labs shares new patch"
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},
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{
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"time": "2026-09-30T00:00:00.000Z",
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"lang": "en",
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"value": "Yuheng Zhang verifies patch"
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},
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{
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"time": "2026-09-16T00:00:00.000Z",
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"lang": "en",
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"value": "Coordinated fixes released with version 1.26.2"
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}
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],
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"credits": [
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{
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"lang": "en",
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"value": "Yuheng Zhang (Tsinghua University & Jingxian Technology Co., Ltd.)",
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"type": "finder"
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},
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{
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"lang": "en",
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"value": "Jianjun Chen (Tsinghua University)",
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"type": "finder"
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},
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{
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"lang": "en",
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"value": "Zihan Wang (Z.AI Co., Ltd.)",
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"type": "finder"
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},
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{
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"lang": "en",
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"value": "Kaiwen Shen (CloudItera)",
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"type": "finder"
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}
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],
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"references": [
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{
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"url": "https://www.nlnetlabs.nl/downloads/unbound/CVE-2026-96405.txt",
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"tags": [
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"vendor-advisory"
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]
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}
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],
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"providerMetadata": {
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"orgId": "206fc3a0-e175-490b-9eaa-a5738056c9f6",
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"shortName": "NLnet Labs",
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"dateUpdated": "2026-10-21T08:57:26.986Z"
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},
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"x_generator": {
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"engine": "cvelib 1.8.0"
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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": "2026-10-29T19:07:13.696474Z",
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"id": "CVE-2026-96405",
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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": "2026-10-29T19:07:33.197Z"
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}
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}
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]
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}
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} |