CVE-2025-52986 (GCVE-0-2025-52986)
Vulnerability from cvelistv5
Published
2025-07-11 15:10
Modified
2025-07-15 19:55
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
6.8 (Medium) - CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/RE:M
6.8 (Medium) - CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/RE:M
VLAI Severity ?
EPSS score ?
CWE
- CWE-401 - Missing Release of Memory after Effective Lifetime
Summary
A Missing Release of Memory after Effective Lifetime vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a local, low privileged user to cause an impact to the availability of the device.
When RIB sharding is enabled and a user executes one of several routing related 'show' commands, a certain amount of memory is leaked. When all available memory has been consumed rpd will crash and restart.
The leak can be monitored with the CLI command:
show task memory detail | match task_shard_mgmt_cookie
where the allocated memory in bytes can be seen to continuously increase with each exploitation.
This issue affects:
Junos OS:
* all versions before 21.2R3-S9,
* 21.4 versions before 21.4R3-S11,
* 22.2 versions before 22.2R3-S7,
* 22.4 versions before 22.4R3-S7,
* 23.2 versions before 23.2R2-S4,
* 23.4 versions before 23.4R2-S4,
* 24.2 versions before 24.2R2,
* 24.4 versions before 24.4R1-S2, 24.4R2;
Junos OS Evolved:
* all versions before 22.2R3-S7-EVO
* 22.4-EVO versions before 22.4R3-S7-EVO,
* 23.2-EVO versions before 23.2R2-S4-EVO,
* 23.4-EVO versions before 23.4R2-S4-EVO,
* 24.2-EVO versions before 24.2R2-EVO,
* 24.4-EVO versions before 24.4R2-EVO.
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Juniper Networks | Junos OS |
Version: 0 ≤ Version: 21.4 ≤ Version: 22.2 ≤ Version: 22.4 ≤ Version: 23.2 ≤ Version: 23.4 ≤ Version: 24.2 ≤ Version: 24.4 ≤ |
|||||||
|
|||||||||
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When all available memory has been consumed rpd will crash and restart.\\n\\nThe leak can be monitored with the CLI command:\\n\\n\\n\\nshow task memory detail | match task_shard_mgmt_cookie\\n\\n\\n\\nwhere the allocated memory in bytes can be seen to continuously increase with each exploitation.\\n\\n\\n\\nThis issue affects:\\n\\nJunos OS:\\n\\n * all versions before 21.2R3-S9,\\n * 21.4 versions before 21.4R3-S11,\\n * 22.2 versions before 22.2R3-S7,\\n * 22.4 versions before 22.4R3-S7,\\n * 23.2 versions before 23.2R2-S4,\u00a0\\n * 23.4 versions before 23.4R2-S4,\\n * 24.2 versions before 24.2R2,\\n * 24.4 versions before 24.4R1-S2, 24.4R2;\\n\\n\\nJunos OS Evolved:\\n\\n * all versions before 22.2R3-S7-EVO\\n * 22.4-EVO versions before 22.4R3-S7-EVO,\\n * 23.2-EVO versions before 23.2R2-S4-EVO,\\n * 23.4-EVO versions before 23.4R2-S4-EVO,\\n * 24.2-EVO versions before 24.2R2-EVO,\u00a0\\n * 24.4-EVO versions before 24.4R2-EVO.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad de falta de liberaci\u00f3n de memoria tras el tiempo de vida \u00fatil efectivo en el daemon del protocolo de enrutamiento (rpd) de Juniper Networks Junos OS y Junos OS Evolved permite que un usuario local con pocos privilegios afecte la disponibilidad del dispositivo. Cuando se habilita la fragmentaci\u00f3n RIB y un usuario ejecuta uno de los varios comandos \\\"show\\\" relacionados con el enrutamiento, se pierde cierta cantidad de memoria. Cuando se consume toda la memoria disponible, rpd se bloquea y se reinicia. La p\u00e9rdida se puede monitorizar con el comando de la CLI: show task memory detail | match task_shard_mgmt_cookie, donde se observa que la memoria asignada en bytes aumenta continuamente con cada explotaci\u00f3n. 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\"subConfidentialityImpact\": \"NONE\", \"vulnConfidentialityImpact\": \"NONE\", \"vulnerabilityResponseEffort\": \"MODERATE\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"Juniper Networks\", \"product\": \"Junos OS\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"21.2R3-S9\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"21.4\", \"lessThan\": \"21.4R3-S11\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"22.2\", \"lessThan\": \"22.2R3-S7\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"22.4\", \"lessThan\": \"22.4R3-S7\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"23.2\", \"lessThan\": \"23.2R2-S4\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"23.4\", \"lessThan\": \"23.4R2-S4\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"24.2\", \"lessThan\": \"24.2R2\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"24.4\", \"lessThan\": \"24.4R1-S2, 24.4R2\", \"versionType\": \"semver\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"Juniper Networks\", \"product\": \"Junos OS Evolved\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"22.2R3-S7-EVO\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"22.4-EVO\", \"lessThan\": \"22.4R3-S7-EVO\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"23.2-EVO\", \"lessThan\": \"23.2R2-S4-EVO\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"23.4-EVO\", \"lessThan\": \"23.4R2-S4-EVO\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"24.2-EVO\", \"lessThan\": \"24.2R2-EVO\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"24.4-EVO\", \"lessThan\": \"24.4R2-EVO\", \"versionType\": \"semver\"}], \"defaultStatus\": \"unaffected\"}], \"exploits\": [{\"lang\": \"en\", \"value\": \"Juniper SIRT is not aware of any malicious exploitation of this vulnerability.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"Juniper SIRT is not aware of any malicious exploitation of this vulnerability.\", \"base64\": false}]}], \"solutions\": [{\"lang\": \"en\", \"value\": \"The following software releases have been updated to resolve this specific issue:\\nJunos OS Evolved: 22.2R3-S7-EVO, 22.4R3-S7-EVO, 23.2R2-S4-EVO, 23.4R2-S4-EVO, 24.2R2-EVO, 24.4R2-EVO, 25.2R1-EVO,\\u00a0and all subsequent releases;\\nJunos OS: 21.2R3-S9, 21.4R3-S11, 22.2R3-S7, 22.4R3-S7, 23.2R2-S4, 23.4R2-S4, 24.2R2, 24.4R1-S2, 24.4R2, 25.2R1, and all subsequent releases.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"The following software releases have been updated to resolve this specific issue:\u003cbr\u003eJunos OS Evolved: 22.2R3-S7-EVO, 22.4R3-S7-EVO, 23.2R2-S4-EVO, 23.4R2-S4-EVO, 24.2R2-EVO, 24.4R2-EVO, 25.2R1-EVO,\u0026nbsp;and all subsequent releases;\u003cbr\u003eJunos OS: 21.2R3-S9, 21.4R3-S11, 22.2R3-S7, 22.4R3-S7, 23.2R2-S4, 23.4R2-S4, 24.2R2, 24.4R1-S2, 24.4R2, 25.2R1, and all subsequent releases.\", \"base64\": false}]}], \"datePublic\": \"2025-07-09T16:00:00.000Z\", \"references\": [{\"url\": \"https://supportportal.juniper.net/JSA100092\", \"tags\": [\"vendor-advisory\"]}], \"workarounds\": [{\"lang\": \"en\", \"value\": \"Use access lists or firewall filters to limit access to the CLI only from trusted hosts and administrators.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"Use access lists or firewall filters to limit access to the CLI only from trusted hosts and administrators.\u003cbr\u003e\", \"base64\": false}]}], \"x_generator\": {\"engine\": \"Vulnogram 0.1.0-dev\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"A Missing Release of Memory after Effective Lifetime vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a local, low privileged user to cause an impact to the availability of the device.\\n\\nWhen RIB sharding is enabled and a user executes one of several routing related \u0027show\u0027 commands, a certain amount of memory is leaked. When all available memory has been consumed rpd will crash and restart.\\n\\nThe leak can be monitored with the CLI command:\\n\\n\\n\\nshow task memory detail | match task_shard_mgmt_cookie\\n\\n\\n\\nwhere the allocated memory in bytes can be seen to continuously increase with each exploitation.\\n\\n\\n\\nThis issue affects:\\n\\nJunos OS:\\n\\n * all versions before 21.2R3-S9,\\n * 21.4 versions before 21.4R3-S11,\\n * 22.2 versions before 22.2R3-S7,\\n * 22.4 versions before 22.4R3-S7,\\n * 23.2 versions before 23.2R2-S4,\\u00a0\\n * 23.4 versions before 23.4R2-S4,\\n * 24.2 versions before 24.2R2,\\n * 24.4 versions before 24.4R1-S2, 24.4R2;\\n\\n\\nJunos OS Evolved:\\n\\n * all versions before 22.2R3-S7-EVO\\n * 22.4-EVO versions before 22.4R3-S7-EVO,\\n * 23.2-EVO versions before 23.2R2-S4-EVO,\\n * 23.4-EVO versions before 23.4R2-S4-EVO,\\n * 24.2-EVO versions before 24.2R2-EVO,\\u00a0\\n * 24.4-EVO versions before 24.4R2-EVO.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"A Missing Release of Memory after Effective Lifetime vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a local, low privileged user to cause an impact to the availability of the device.\u003cbr\u003e\u003cbr\u003eWhen RIB sharding is enabled and a user executes one of several routing related \u0027show\u0027 commands, a certain amount of memory is leaked. When all available memory has been consumed rpd will crash and restart.\u003cbr\u003e\u003cbr\u003eThe leak can be monitored with the CLI command:\u003cbr\u003e\u003cbr\u003e\u003ctt\u003e\u003c/tt\u003e\\n\\n\u003ctt\u003e\u003cspan style=\\\"background-color: rgb(255, 255, 255);\\\"\u003eshow task memory detail | match task_shard_mgmt_cookie\u003cbr\u003e\u003c/span\u003e\u003c/tt\u003e\\n\\n\u003cbr\u003ewhere the allocated memory in bytes can be seen to continuously increase with each exploitation.\u003cbr\u003e\u003cp\u003e\u003cbr\u003e\u003c/p\u003e\u003cp\u003eThis issue affects:\u003c/p\u003e\u003cp\u003eJunos OS:\u003c/p\u003e\u003cul\u003e\u003cli\u003eall versions before 21.2R3-S9,\u003c/li\u003e\u003cli\u003e21.4 versions before 21.4R3-S11,\u003c/li\u003e\u003cli\u003e22.2 versions before 22.2R3-S7,\u003c/li\u003e\u003cli\u003e22.4 versions before 22.4R3-S7,\u003c/li\u003e\u003cli\u003e23.2 versions before 23.2R2-S4,\u0026nbsp;\u003c/li\u003e\u003cli\u003e23.4 versions before 23.4R2-S4,\u003c/li\u003e\u003cli\u003e24.2 versions before 24.2R2,\u003c/li\u003e\u003cli\u003e24.4 versions before 24.4R1-S2, 24.4R2;\u003c/li\u003e\u003c/ul\u003e\u003cp\u003eJunos OS Evolved:\u003c/p\u003e\u003cul\u003e\u003cli\u003eall versions before 22.2R3-S7-EVO\u003c/li\u003e\u003cli\u003e22.4-EVO versions before 22.4R3-S7-EVO,\u003c/li\u003e\u003cli\u003e23.2-EVO versions before 23.2R2-S4-EVO,\u003c/li\u003e\u003cli\u003e23.4-EVO versions before 23.4R2-S4-EVO,\u003c/li\u003e\u003cli\u003e24.2-EVO versions before 24.2R2-EVO,\u0026nbsp;\u003c/li\u003e\u003cli\u003e24.4-EVO versions before 24.4R2-EVO.\u003c/li\u003e\u003c/ul\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-401\", \"description\": \"CWE-401 Missing Release of Memory after Effective Lifetime\"}]}], \"configurations\": [{\"lang\": \"en\", \"value\": \"To be exposed to this issue a system needs to be configured with RIB sharding:\\n\\n[ system processes routing bgp \\n\\nrib-sharding \\n\\n]\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"To be exposed to this issue a system needs to be configured with RIB sharding:\u003cbr\u003e\u003cbr\u003e\u003ctt\u003e[ system processes routing bgp \\n\\n\u003cspan style=\\\"background-color: rgb(255, 255, 255);\\\"\u003erib-sharding \u003c/span\u003e\\n\\n]\u003c/tt\u003e\", \"base64\": false}]}], \"providerMetadata\": {\"orgId\": \"8cbe9d5a-a066-4c94-8978-4b15efeae968\", \"shortName\": \"juniper\", \"dateUpdated\": \"2025-07-11T15:10:20.934Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2025-52986\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-07-15T19:55:10.352Z\", \"dateReserved\": \"2025-06-23T18:23:44.546Z\", \"assignerOrgId\": \"8cbe9d5a-a066-4c94-8978-4b15efeae968\", \"datePublished\": \"2025-07-11T15:10:20.934Z\", \"assignerShortName\": \"juniper\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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