246 lines
12 KiB
JSON
246 lines
12 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-2026-57029",
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"assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
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"state": "PUBLISHED",
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"assignerShortName": "juniper",
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"dateReserved": "2026-06-23T16:27:00.249Z",
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"datePublished": "2026-07-09T21:12:36.288Z",
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"dateUpdated": "2026-07-10T14:45:20.380Z"
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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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"platforms": [
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"QFX Series"
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],
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"product": "Junos OS Evolved",
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"vendor": "Juniper Networks",
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"versions": [
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{
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"lessThan": "23.4R2-S7-EVO",
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"status": "affected",
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"version": "0",
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"versionType": "custom"
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},
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{
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"lessThan": "24.2R2-S5-EVO",
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"status": "affected",
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"version": "24.2",
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"versionType": "custom"
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},
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{
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"lessThan": "24.4R2-S3-EVO",
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"status": "affected",
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"version": "24.4",
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"versionType": "custom"
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},
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{
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"lessThan": "25.2R2-EVO",
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"status": "affected",
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"version": "25.2",
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"versionType": "custom"
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}
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]
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}
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],
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"configurations": [
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{
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"lang": "en",
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"supportingMedia": [
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{
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"base64": false,
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"type": "text/html",
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"value": "To be exposed to this issue at least one sflow collector needs to be configured via:<br><br><tt>[ protocols sflow collector <address> <span style=\"background-color: rgb(255, 255, 255);\">]</span></tt>\n\n<br>"
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}
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],
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"value": "To be exposed to this issue at least one sflow collector needs to be configured via:\n\n[ protocols sflow collector <address> ]"
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}
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],
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"datePublic": "2026-07-08T16:00:00.000Z",
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"descriptions": [
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{
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"lang": "en",
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"supportingMedia": [
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{
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"base64": false,
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"type": "text/html",
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"value": "A Missing Synchronization vulnerability in the flow collector handler of Juniper Networks Junos OS Evolved on QFX Series allows an adjacent, unauthenticated attacker to cause a Denial-of-Service (DoS).<p><span style=\"background-color: rgb(255, 255, 255);\"><br></span></p><p><span style=\"background-color: rgb(255, 255, 255);\">When the reachability of an sFlow collector changes, the corresponding next-hop entry is updated. If this update occurs simultaneously with the sFlow thread accessing the next-hop data (which is outside the attackers control), it causes the evo-pfemand process to crash, impacting all traffic forwarding until the automatic process restart has completed.</span><br>\n\n<br><br>This issue affects Junos OS Evolved on QFX Series:<br></p><ul><li>all 23.2 versions, </li><li>23.4 versions before 23.4R2-S7-EVO,</li><li>24.2 versions before 24.2R2-S5-EVO,</li><li>24.4 versions before 24.4R2-S3-EVO,</li><li>25.2 versions before 25.2R2-EVO.</li></ul><br><p></p>"
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}
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],
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"value": "A Missing Synchronization vulnerability in the flow collector handler of Juniper Networks Junos OS Evolved on QFX Series allows an adjacent, unauthenticated attacker to cause a Denial-of-Service (DoS).\n\n\nWhen the reachability of an sFlow collector changes, the corresponding next-hop entry is updated. If this update occurs simultaneously with the sFlow thread accessing the next-hop data (which is outside the attackers control), it causes the evo-pfemand process to crash, impacting all traffic forwarding until the automatic process restart has completed.\n\n\n\n\nThis issue affects Junos OS Evolved on QFX Series:\n\n\n * all 23.2 versions, \n * 23.4 versions before 23.4R2-S7-EVO,\n * 24.2 versions before 24.2R2-S5-EVO,\n * 24.4 versions before 24.4R2-S3-EVO,\n * 25.2 versions before 25.2R2-EVO."
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}
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],
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"exploits": [
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{
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"supportingMedia": [
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{
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"base64": false,
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"type": "text/html",
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"value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."
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}
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],
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"value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."
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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": "HIGH",
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"attackVector": "ADJACENT_NETWORK",
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"availabilityImpact": "HIGH",
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"baseScore": 5.3,
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"baseSeverity": "MEDIUM",
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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:A/AC:H/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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"cvssV4_0": {
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"Automatable": "YES",
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"Recovery": "NOT_DEFINED",
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"Safety": "NOT_DEFINED",
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"attackComplexity": "LOW",
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"attackRequirements": "PRESENT",
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"attackVector": "ADJACENT",
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"baseScore": 6,
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"baseSeverity": "MEDIUM",
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"privilegesRequired": "NONE",
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"providerUrgency": "NOT_DEFINED",
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"subAvailabilityImpact": "LOW",
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"subConfidentialityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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"userInteraction": "NONE",
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"valueDensity": "NOT_DEFINED",
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"vectorString": "CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/RE:M",
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"version": "4.0",
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"vulnAvailabilityImpact": "HIGH",
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"vulnConfidentialityImpact": "NONE",
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"vulnIntegrityImpact": "NONE",
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"vulnerabilityResponseEffort": "MODERATE"
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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-820",
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"description": "CWE-820 Missing Synchronization",
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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": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
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"shortName": "juniper",
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"dateUpdated": "2026-07-09T21:12:36.288Z"
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},
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"references": [
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{
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"tags": [
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"vendor-advisory"
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],
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"url": "https://supportportal.juniper.net/JSA110089"
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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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"supportingMedia": [
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{
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"base64": false,
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"type": "text/html",
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"value": "The following software releases have been updated to resolve this specific issue:\n\nJunos OS Evolved: 23.4R2-S7-EVO, 24.2R2-S5-EVO, 24.4R2-S3-EVO, 25.2R2-EVO, 25.4R1-EVO, and all subsequent releases."
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}
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],
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"value": "The following software releases have been updated to resolve this specific issue:\n\nJunos OS Evolved: 23.4R2-S7-EVO, 24.2R2-S5-EVO, 24.4R2-S3-EVO, 25.2R2-EVO, 25.4R1-EVO, and all subsequent releases."
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}
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],
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"source": {
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"advisory": "JSA110089",
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"defect": [
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"1909536"
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],
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"discovery": "USER"
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},
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"title": "Junos OS Evolved: QFX Series: When sFlow collector reachability changes evo-pfemand process can crash",
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"workarounds": [
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{
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"lang": "en",
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"supportingMedia": [
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{
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"base64": false,
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"type": "text/html",
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"value": "There are no known workarounds for this issue."
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}
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],
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"value": "There are no known workarounds for this issue."
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}
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],
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"x_generator": {
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"engine": "Vulnogram 0.1.0-dev"
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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": "2026-07-10T14:44:51.065414Z",
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"id": "CVE-2026-57029",
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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": "no"
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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": "2026-07-10T14:45:20.380Z"
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}
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}
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]
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}
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} |