CVE-2026-83601— Netdata: Streaming protocol dimension slot has no upper-bound guard, allowing integer overflow and out-of-bounds write
一分钟漏洞结论
影响对象
netdata netdata
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。
Netdata is an open source observability tool. Prior to 2.10.4, an authenticated child agent can send an oversized DIMENSION SLOT value that str2ull_encoded passes to pluginsd_rrddim_put_to_slot in src/plugins.d/pluginsd_internals.h without an upper bound. prd_
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一、 漏洞 CVE-2026-83601 基础信息
漏洞信息
尽管我们使用了先进的大模型技术，但其输出仍可能包含不准确或过时的信息。神龙努力确保数据的准确性，但请您根据实际情况进行核实和判断。
Vulnerability Title
Netdata: Streaming protocol dimension slot has no upper-bound guard, allowing integer overflow and out-of-bounds write
来源: CVE Program / CVE List V5
Vulnerability Description
Netdata is an open source observability tool. Prior to 2.10.4, an authenticated child agent can send an oversized DIMENSION SLOT value that str2ull_encoded passes to pluginsd_rrddim_put_to_slot in src/plugins.d/pluginsd_internals.h without an upper bound. prd_array_create in src/database/rrdset-pluginsd-array.h can then wrap the size_t allocation calculation while retaining the original large array size, causing the subsequent initialization loop to write beyond the undersized heap allocation and crash the parent agent. This issue is fixed in version 2.10.4 and nightly build 2.10.0-782-nightly.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
来源: CVE Program / CVE List V5
Vulnerability Type
整数溢出或超界折返
来源: CVE Program / CVE List V5
受影响产品
二、漏洞 CVE-2026-83601 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
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CVE-2026-83601 其他参考 (4)
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https://github.com/netdata/netdata/pull/22598 x_refsource_MISC
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https://github.com/netdata/netdata/releases/tag/v2.10.4 x_refsource_MISC
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https://github.com/netdata/netdata/security/advisories/GHSA-3qh4-842w-fvrm x_refsource_CONFIRM
同批安全公告 · netdata · 2026-09-22 · 共 7 条
| CVE-2026-83603 | 8.4 HIGH | Netdata: Local Root via ndsudo Arbitrary socket_path → fail2ban-client Pickle RCE |
| CVE-2026-83598 | 7.8 HIGH | Netdata: Local Privilege Escalation in Netdata Agent Windows installer via PowerShell Prof |
| CVE-2026-83599 | 7.5 HIGH | Netdata: WebSocket Decompression Bomb |
| CVE-2026-83597 | 7.0 HIGH | Netdata: Local Privilege Escalation in Netdata Windows Agent installer via MSI Repair Exec |
| CVE-2026-83602 | 6.5 MEDIUM | Netdata: Unauthenticated remote PUT to /api/v3/settings bypasses IP allowlist controls via |
| CVE-2026-83600 | 6.5 MEDIUM | Netdata: Streaming protocol chart slot guard off-by-one allows ~16 GiB allocation request, |
IV. Related Vulnerabilities
Same product: netdata
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CVE-2026-83597
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CVE-2026-83600
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CVE-2026-83598
Netdata: Local Privilege Escalation in Netdata Agent Windows -
CVE-2026-83603
Netdata: Local Root via ndsudo Arbitrary socket_path → fail2 -
CVE-2026-83602
Netdata: Unauthenticated remote PUT to /api/v3/settings bypa
Same vendor: netdata
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CVE-2026-83597
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CVE-2026-83600
Netdata: Streaming protocol chart slot guard off-by-one allo -
CVE-2026-83598
Netdata: Local Privilege Escalation in Netdata Agent Windows -
CVE-2026-83603
Netdata: Local Root via ndsudo Arbitrary socket_path → fail2 -
CVE-2026-83602
Netdata: Unauthenticated remote PUT to /api/v3/settings bypa
Same weakness: CWE-190
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Net::IDN::Punycode versions before 2.590 for Perl allow an o
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