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CVE-2026-77619— Vector: Unauthenticated denial of service in the `logstash` source via unbounded memory allocation.

一分钟漏洞结论

影响对象
vectordotdev vector
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。

Vector is a high-performance observability data pipeline. From 0.15.0 until 0.57.0, the logstash source reads a 32-bit compressed-frame length from the network and uses it to size an in-memory buffer without an upper bound. An unauthenticated remote peer that

CVSS 8.7 · High

影响版本矩阵 1

厂商产品 版本范围状态
vectordotdev vector >= 0.15.0, < 0.57.0 affected
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一、 漏洞 CVE-2026-77619 基础信息

漏洞信息

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Vulnerability Title
Vector: Unauthenticated denial of service in the `logstash` source via unbounded memory allocation.
来源: CVE Program / CVE List V5
Vulnerability Description
Vector is a high-performance observability data pipeline. From 0.15.0 until 0.57.0, the logstash source reads a 32-bit compressed-frame length from the network and uses it to size an in-memory buffer without an upper bound. An unauthenticated remote peer that can reach the default 0.0.0.0:5044 listener can send a minimal frame declaring a multi-gigabyte payload, causing an excessive allocation that can abort Vector or invoke the host OOM killer. Because the allocation follows the declared length rather than bytes transmitted, the attacker has low resource cost, and process termination can halt log ingestion for every tenant on a shared pipeline. This issue is fixed in version 0.57.0.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
来源: CVE Program / CVE List V5
Vulnerability Type
长度参数不一致性处理不恰当
来源: CVE Program / CVE List V5

受影响产品

厂商 产品 影响版本 CPE 订阅
vectordotdev vector >= 0.15.0, < 0.57.0 -

二、漏洞 CVE-2026-77619 的公开POC

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三、漏洞 CVE-2026-77619 的情报信息

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CVE-2026-77619 补丁与修复 (1)

CVE-2026-77619 其他参考 (2)

同批安全公告 · vectordotdev · 2026-09-22 · 共 3 条

CVE-2026-77621 9.3 CRITICAL Vector: Arbitrary file write in the file sink via templated path (path traversal).
CVE-2026-77620 8.7 HIGH Vector: Unauthenticated denial of service in the `logstash` source via nested compressed f

IV. Related Vulnerabilities

Same product: vector
Same vendor: vectordotdev
Same weakness: CWE-130

V. Comments for CVE-2026-77619

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