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CVE-2026-102053— Junos OS and Junos OS Evolved: An EVPN-VXLAN memory leak causes denial of service when active-active multihoming is used

一分钟漏洞结论

影响对象
Juniper Networks Junos OS
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。

An Improper Release of Memory Before Removing Last Reference vulnerability in the l2ald process of Juniper Networks Junos OS and Junos OS Evolved on QFX5K-family platforms allows a configured EVPN peer to cause a denial of service through memory exhaustion via

CVSS 5.3 · Medium

影响版本矩阵 17

厂商产品 版本范围状态
Juniper Networks Junos OS < 23.2R2-S7.7 affected
23.4< 23.4R2-S8.13 affected
24.2< 24.2R2-S5.5 affected
24.4< 24.4R2-S5 affected
25.2< 25.2R2-S2 affected
25.4< 25.4R1-S3 affected
26.2< 26.2R1-S2 affected
Juniper Networks Junos OS Evolved < 23.2R2-S7.7-EVO affected
23.4< 23.4R2-S8.11-EVO affected
24.2< 24.2R2-S5.6-EVO affected
24.4< 24.4R2-S5-EVO affected
25.2< 25.2R2-S2-EVO affected
25.4< 25.4R1-S3-EVO affected
26.2< 26.2R1-S2-EVO affected
23.4X100 affected
… +2 条更多
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一、 漏洞 CVE-2026-102053 基础信息

漏洞信息

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Vulnerability Title
Junos OS and Junos OS Evolved: An EVPN-VXLAN memory leak causes denial of service when active-active multihoming is used
来源: CVE Program / CVE List V5
Vulnerability Description
An Improper Release of Memory Before Removing Last Reference vulnerability in the l2ald process of Juniper Networks Junos OS and Junos OS Evolved on QFX5K-family platforms allows a configured EVPN peer to cause a denial of service through memory exhaustion via EVPN-VXLAN active-active multihoming route processing.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
来源: CVE Program / CVE List V5
Vulnerability Type
在移除最后引用时对内存的释放不恰当(内存泄露)
来源: CVE Program / CVE List V5

受影响产品

厂商 产品 影响版本 CPE 订阅
Juniper Networks Junos OS 0 ~ 23.2R2-S7.7 -
Juniper Networks Junos OS Evolved 0 ~ 23.2R2-S7.7-EVO -

二、漏洞 CVE-2026-102053 的公开POC

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三、漏洞 CVE-2026-102053 的情报信息

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CVE-2026-102053 其他参考 (1)

同批安全公告 · Juniper Networks · 2026-10-14 · 共 153 条

CVE-2026-101954 9.8 CRITICAL Junos OS and Junos OS Evolved: Unauthenticated network access causes full device takeover
CVE-2026-102175 9.8 CRITICAL Junos OS and Junos OS Evolved: An attacker causes remote code execution or denial of servi
CVE-2026-102178 9.8 CRITICAL Junos OS and Junos OS Evolved: When BGP update-threading is enabled a specifically malform
CVE-2026-102182 9.8 CRITICAL Junos OS: MX Series: Certificate-based IKE packets cause root-level code execution
CVE-2026-102031 9.8 CRITICAL Junos OS Evolved: A low-privileged TACACS+ user causes root command execution when authori
CVE-2026-33789 9.8 CRITICAL Junos OS and Junos OS Evolved: With BGP Monitoring Protocol is enabled, receipt of a speci
CVE-2026-33792 9.8 CRITICAL Junos OS: SRX Series: An attacker causes remote code execution and denial of service when
CVE-2026-33796 9.8 CRITICAL Junos OS and Junos OS Evolved: An attacker causes remote root command execution when BMP r
CVE-2026-101990 9.8 CRITICAL Junos OS and Junos OS Evolved: A BGP peer causes an rpd crash when flow-spec routes are re
CVE-2026-101950 9.8 CRITICAL Junos OS: SRX Series: Malformed IPv4 packets cause packet-forwarding process crash when Se
CVE-2026-101986 9.8 CRITICAL Junos OS and Junos OS Evolved: J-Web permits pre-authentication CGI execution
CVE-2026-101956 9.8 CRITICAL Junos OS: Unauthorized root command execution when J-Web is enabled
CVE-2026-101982 9.8 CRITICAL Junos OS and Junos OS Evolved: A EVPN peer causes an rpd crash or root-level compromise wh
CVE-2026-101983 9.8 CRITICAL Junos OS and Junos OS Evolved: An attacker causes remote code execution when J-Web virtual
CVE-2026-101980 9.8 CRITICAL Junos OS: Malformed Extended Echo requests cause a Routing Engine reboot when Extended Ech
CVE-2026-102052 8.8 HIGH Junos OS and Junos OS Evolved: An attacker causes jdhcpd to crash when the DHCPv4 local-cl
CVE-2026-102055 8.8 HIGH Junos OS and Junos OS Evolved: MX Series, PTX Series: An attacker causes remote code execu
CVE-2026-101978 8.8 HIGH Junos OS Evolved: PTX Series: An attacker controlled gRPC response causes root-level compr
CVE-2026-102174 8.8 HIGH Junos OS: SRX Series: An authenticated remote-access VPN client causes iked denial of serv
CVE-2026-102050 8.8 HIGH Junos OS and Junos OS Evolved: An adjacent attacker causes Layer 2 control-plane denial of

显示前 20 条，共 153 条。 查看全部 &rarr; →

IV. Related Vulnerabilities

Same product: Junos OS
Same vendor: Juniper Networks
Same weakness: CWE-401

V. Comments for CVE-2026-102053

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