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CVE-2026-57019— Juniper Networks Junos OS 输入验证错误漏洞

CVSS 6.5 · Medium EPSS 0.18% · P7

Possible ATT&CK Techniques 1AI

T1498 · Network Denial of Service

Affected Version Matrix 5

ベンダープロダクトVersion Rangeステータス
Juniper NetworksJunos OS< 23.2R2-S6affected
23.4< 23.4R2-S7affected
24.2< 24.2R2-S4affected
24.4< 24.4R2-S4affected
25.2< 25.2R2affected
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I. CVE-2026-57019の基本情報

脆弱性情報
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脆弱性タイトル
Junos OS: MX Series: Specific traffic causes an FPC to reset
ソース: CVE Program / CVE List V5
脆弱性説明
An Improper Validation of Specified Quantity in Input vulnerability in the Packet Forwarding Engine (pfe) of Juniper Networks Junos OS on MX Series allows an unauthenticated, adjacent attacker to cause a Denial-of-Service (DoS). When a specific packet is received from device in the same broadcast domain, an affected system calculates the packet size incorrectly. This causes further packet processing to fail, which triggers an FPC major error, resulting in a FPC reset impacting traffic until the FPC has automatically recovered. Affected scenarios are: MAP-T, or non-IP traffic encapsulated in IP (e.g. MPLS over GRE). When this issue happens the following logs can be observed: fpc<#> CMError: /fpc/0/pfe/0/cm/0/MQSS(0)/0/MQSS_CMERROR_LI_INT_REG_UNROLL_TAIL_LENGTH_OVF (0x2205eb), scope: pfe, category: functional, severity: major, module: MQSS(0), type: LI: Unroll TAIL length overflow, oc_category: default fpc<#> Performing action reset-fru for error /fpc/0/pfe/0/cm/0/MQSS(0)/0/MQSS_CMERROR_LI_INT_REG_UNROLL_TAIL_LENGTH_OVF (0x2205eb) in module: MQSS(0) with scope: pfe category: functional level: major, oc_category: default This issue affects Junos OS on MX Series: * all versions before 23.2R2-S6, * 23.4 versions before 23.4R2-S7, * 24.2 versions before 24.2R2-S4, * 24.4 versions before 24.4R2-S4, * 25.2 versions before 25.2R2.
ソース: CVE Program / CVE List V5
CVSS情報
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
ソース: CVE Program / CVE List V5
脆弱性タイプ
CWE-1284
ソース: CVE Program / CVE List V5
脆弱性タイトル
Juniper Networks Junos OS 输入验证错误漏洞
ソース: CNNVD (China National Vulnerability Database)
脆弱性説明
Juniper Networks Junos OS是美国Juniper Networks公司的一款专为路由器、交换机和防火墙等物理及虚拟设备打造的网络操作系统。 Juniper Networks Junos OS存在输入验证错误漏洞，该漏洞源于Packet Forwarding Engine(pfe)中对输入指定数量验证不当，当从未经身份验证的相邻攻击者接收到同一广播域中的特定数据包时，系统错误计算数据包大小，导致进一步的数据包处理失败，触发FPC重大错误，使FPC重置影响流量直到自动恢复。以下版本受到影
ソース: CNNVD (China National Vulnerability Database)
CVSS情報
N/A
ソース: CNNVD (China National Vulnerability Database)
脆弱性タイプ
N/A
ソース: CNNVD (China National Vulnerability Database)

影響を受ける製品

ベンダープロダクト影響を受けるバージョンCPE購読
Juniper NetworksJunos OS 0 ~ 23.2R2-S6 -

II. CVE-2026-57019の公開POC

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III. CVE-2026-57019のインテリジェンス情報

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CVE-2026-57019 厂商安全公告 (1)

Same Patch Batch · Juniper Networks · 2026-07-09 · 22 CVEs total

CVE-2026-570237.5 HIGHJunos OS: MX with SPC3, SRX Series: A specifically malformed TCP packet causes a flowd cra
CVE-2026-570267.5 HIGHJunos OS: MX Series with SPC3, SRX Series: Processing of a specifically malformed SIP invi
CVE-2026-570287.3 HIGHJunos OS Evolved: A port which has been inadvertently exposed can be reached by an attacke
CVE-2026-570326.5 MEDIUMJunos OS: EX Series: Subscribing to an unsupported telemetry sensor path causes fxpc proce
CVE-2026-338006.5 MEDIUMJunos OS: MX Series: In a VC scenario a high rate of micro-BFD session flaps will cause an
CVE-2026-338016.5 MEDIUMJunos OS and Junos OS Evolved: When a specifically malformed BGP route update is received
CVE-2026-338036.5 MEDIUMJunos OS Evolved: A port which has been inadvertently exposed can be reached by an attacke
CVE-2026-570206.5 MEDIUMJunos OS: QFX10000 Series: IPv6 multicast traffic received on non-IRB interfaces causes a
CVE-2026-570276.5 MEDIUMJunos OS: EX4100 Series, EX4400: With sFlow configured in a VC scenario multicast traffic
CVE-2026-570225.9 MEDIUMJunos OS: MX Series with SPC3, SRX Series: Specific packet in response to a TCP connection
CVE-2026-570305.9 MEDIUMJunos OS: SRX Series: Flow sessions are not getting cleared leading to a DoS
CVE-2026-337945.9 MEDIUMJunos OS Evolved: PTX Series: Receipt of repeated ECMP routing updates results in PFE cras
CVE-2026-570545.8 MEDIUMJunos OS: MX Series: Web filtering doesn't block specifically formatted URLs
CVE-2026-570255.5 MEDIUMJunos OS and Junos OS Evolved: EX Series, QFX Series, MX Series: A specific 'show l2-learn
CVE-2026-338025.5 MEDIUMJunos OS: EX Series: Unauthorized users can execute service-impacting CLI command
CVE-2026-570245.3 MEDIUMJunos OS: MX with SPC3, SRX Series: Repeated VPN negotiation failures will eventually caus
CVE-2026-570215.3 MEDIUMJunos OS: SRX Series: If VPN compliance-check is configured an attacker can cause http-gk
CVE-2026-570295.3 MEDIUMJunos OS Evolved: QFX Series: When sFlow collector reachability changes evo-pfemand proces
CVE-2026-570314.7 MEDIUMJunos OS: MX Series: For subscribers configured on static interfaces, input filters are no
CVE-2026-219014.4 MEDIUMJunos OS and Junos OS Evolved: Configuration of a specific SSH option results in mgd crash

Showing 20 of 22 CVEs. View all on vendor page →

IV. 関連脆弱性

同じ製品: Junos OS
同じベンダー: Juniper Networks
同じ弱点: CWE-1284

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