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CVE-2026-80185— Bluez: sdp-xml: bluez 5.86: unprivileged-local and adjacent-le-peer leads to arbitrary code execution as root

Quick assessment

Affected
Red Hat Red Hat Enterprise Linux 10
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

BlueZ 中的 sdp-xml.c 存在类型混淆漏洞（通过 RegisterProfile(ServiceRecord) 触发），可导致 bluetoothd 崩溃（本地拒绝服务）：构造的嵌套 ServiceRecord 会破坏 SDP XML 解析器的栈，使得标量联合（scalar union）数据被误当作序列指针处理，从而允许本地调用者导致 bluetoothd 崩溃。

CVSS 5.7 · Medium

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2026-80185

Vulnerability Information
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Vulnerability Title
Bluez: sdp-xml: bluez 5.86: unprivileged-local and adjacent-le-peer leads to arbitrary code execution as root
Source: CVE Program / CVE List V5
Vulnerability Description
BlueZ sdp-xml.c type confusion via RegisterProfile(ServiceRecord) can crash bluetoothd (local DoS): a crafted nested ServiceRecord can corrupt the SDP XML parser stack so scalar union data is treated as a sequence pointer, allowing a local caller to crash bluetoothd.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
使用不兼容类型访问资源(类型混淆)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Red Hat Red Hat Enterprise Linux 10 - cpe:/o:redhat:enterprise_linux:10
Red Hat Red Hat Enterprise Linux 6 - cpe:/o:redhat:enterprise_linux:6
Red Hat Red Hat Enterprise Linux 7 - cpe:/o:redhat:enterprise_linux:7
Red Hat Red Hat Enterprise Linux 8 - cpe:/o:redhat:enterprise_linux:8
Red Hat Red Hat Enterprise Linux 9 - cpe:/o:redhat:enterprise_linux:9

II. Public POCs for CVE-2026-80185

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III. Intelligence Information for CVE-2026-80185

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Vendor Advisories for CVE-2026-80185 (2)

Same Patch Batch · Red Hat · 2026-08-25 · 10 CVEs total

CVE-2026-79992 7.8 HIGH Emacs: local shell command injection through the user field in emacs tramp
CVE-2026-79655 7.8 HIGH Sos: sos: path traversal in sos clean tar extraction via unvalidated symlink/hardlink targ
CVE-2026-80186 7.6 HIGH Bluez: stack overflow in name2utf8 causes dos and potential code execution
CVE-2026-78701 6.5 MEDIUM 389-ds-base: 389-ds-base: cve-2026-11610 incomplete fix may introduce a connection-stall d
CVE-2026-78322 6.5 MEDIUM File-roller: file-roller: stack buffer overflow in parse_progress_line for 7z and rar hand
CVE-2026-79717 6.4 MEDIUM Galaxy_ng: galaxy_ng: blind ssrf via namespace avatar_url with no private-address restrict
CVE-2026-79652 5.9 MEDIUM Keycloak-services: keycloak-services: jwt bearer authorization grant does not enforce cons
CVE-2026-77680 5.3 MEDIUM Libsoup3: libsoup: quadratic cpu denial of service in http range coalescing after cve-2025
CVE-2026-80101 4.4 MEDIUM Gimp: multiple heap out-of-bounds reads in xwd loader from unrelated width and bytes-per-l

IV. Related Vulnerabilities

Same product: Red Hat Enterprise Linux 10
Same vendor: Red Hat
Same weakness: CWE-843

V. Comments for CVE-2026-80185

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