CVE-2026-101974 (GCVE-0-2026-101974)
Vulnerability from cvelistv5
Published
2026-10-14 16:19
Modified
2026-10-19 14:12
Severity ?
6.5 (Medium) - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.1 (High) - CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L
CWE
  • 1284
Summary
An Improper Validation of Specified Quantity in Input vulnerability in rpd of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent OSPF peer to disclose rpd memory or cause a rpd crash via a malformed OSPF packets.
References
Impacted products
Vendor Product Version
Juniper Networks Junos OS Version: 0   < 23.2R2-S7.7
Version: 23.4   < 23.4R2-S8.13
Version: 24.2   < 24.2R2-S5.5
Version: 24.4   < 24.4R2-S5
Version: 25.2   < 25.2R2-S2
Version: 25.4   < 25.4R1-S3
Version: 26.2   < 26.2R1-S2
 Create a notification for this product.
   Juniper Networks Junos OS Evolved Version: 0   < 23.2R2-S7.7-EVO
Version: 23.4   < 23.4R2-S8.11-EVO
Version: 24.2   < 24.2R2-S5.6-EVO
Version: 24.4   < 24.4R2-S5-EVO
Version: 25.2   < 25.2R2-S2-EVO
Version: 25.4   < 25.4R1-S3-EVO
Version: 26.2   < 26.2R1-S2-EVO
Version: 23.4X100   <
Version: 25.2X100   < 25.2X100-D35-EVO
Version: 25.4X300   < 25.4X300-D40-EVO
 Create a notification for this product.
Show details on NVD website

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Previously published versions of these releases have been rebuilt to resolve the security vulnerabilities identified in this advisory.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"The following software releases have been updated to resolve this specific issue:\u003cbr\u003e\\n\u003cbr\u003e\\nJunos OS: 23.2R2-S7.7, 23.4R2-S8.13, 24.2R2-S5.5, 24.4R2-S5, 25.2R2-S2, 25.4R1-S3, 25.4R2, 26.2R1-S2, 26.2R2, 26.4R1, and all subsequent releases.\u003cbr\u003e\u003cbr\u003eJunos OS Evolved: 23.2R2-S7.7-EVO, 23.4R2-S8.11-EVO, 24.2R2-S5.6-EVO, 24.4R2-S5-EVO, 25.2R2-S2-EVO, 25.2X100-D35-EVO, 25.4R1-S3-EVO, 25.4R2-EVO, 25.4X300-D40-EVO, 26.2R1-S2-EVO, 26.2R2-EVO, 26.4R1-EVO, and all subsequent releases.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eNote:\u003c/b\u003e For Junos OS releases 23.2, 23.4, and 24.2, and Junos OS Evolved releases 23.2-EVO, 23.4-EVO, and 24.2-EVO, specific respins have been referenced. Previously published versions of these releases have been rebuilt to resolve the security vulnerabilities identified in this advisory.\", \"base64\": true}]}], \"datePublic\": \"2026-10-14T16:00:00.000Z\", \"references\": [{\"url\": \"https://supportportal.juniper.net/JSA112187\", \"tags\": [\"vendor-advisory\"]}], \"workarounds\": [{\"lang\": \"en\", \"value\": \"If OSPF packet processing on an enabled interface isn\u0027t needed, but it has just been configured so that it\u0027s added to the LSDB, ensure it\u0027s configured as \u0027passive\u0027:\\n[ protocols ospf area \u003carea\u003e interface \u003cinterface\u003e passive ]\\n\\nThe rpd crash only occurs with\\n[ protocols ospf traceoptions flag lsa-update detail ]\\nconfigured, so removing that line will prevent this.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"If OSPF packet processing on an enabled interface isn\u0027t needed, but it has just been configured so that it\u0027s added to the LSDB, ensure it\u0027s configured as \u0027passive\u0027:\u003cbr\u003e\u003ctt\u003e[ protocols ospf area \u0026lt;area\u0026gt; interface \u0026lt;interface\u0026gt; passive ]\u003cbr\u003e\u003cbr\u003e\u003c/tt\u003eThe rpd crash only occurs with\u003cbr\u003e\u003ctt\u003e[ protocols ospf traceoptions flag lsa-update detail ]\u003c/tt\u003e\u003cbr\u003econfigured, so removing that line will prevent this.\", \"base64\": false}]}], \"x_generator\": {\"engine\": \"Vulnogram 0.1.0-dev\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"An Improper Validation of Specified Quantity in Input vulnerability in rpd of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent OSPF peer to disclose rpd memory or cause a rpd crash via a malformed OSPF packets.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"An Improper Validation of Specified Quantity in Input vulnerability in rpd of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent OSPF peer to disclose rpd memory or cause a rpd crash via a malformed OSPF packets.\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"description\": \"1284\"}]}], \"configurations\": [{\"lang\": \"en\", \"value\": \"[ protocols ospf area \u003carea\u003e interface \u003cinterface\u003e ]\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003ctt\u003e\u003cspan style=\\\"background-color: rgb(255, 255, 255);\\\"\u003e[ protocols ospf \u003c/span\u003e\u003cspan style=\\\"background-color: rgb(255, 255, 255);\\\"\u003earea \u0026lt;area\u0026gt; \u003c/span\u003e\u003cspan style=\\\"background-color: rgb(255, 255, 255);\\\"\u003einterface \u0026lt;interface\u0026gt; ]\u003c/span\u003e\\n\\n\u003c/tt\u003e\", \"base64\": false}]}], \"providerMetadata\": {\"orgId\": \"8cbe9d5a-a066-4c94-8978-4b15efeae968\", \"shortName\": \"juniper\", \"dateUpdated\": \"2026-10-14T16:19:41.668Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-101974\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-10-19T14:12:12.191Z\", \"dateReserved\": \"2026-09-28T16:31:35.503Z\", \"assignerOrgId\": \"8cbe9d5a-a066-4c94-8978-4b15efeae968\", \"datePublished\": \"2026-10-14T16:19:41.668Z\", \"assignerShortName\": \"juniper\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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