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CVE-2026-16473— Sbc: sbc: heap out-of-bounds read via crafted sbc audio frame

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 SBC是BlueZ组织的一个实现蓝牙SBC与mSBC音频编码和解码功能的软件库。 BlueZ SBC存在缓冲区错误漏洞，该漏洞源于SBC frame decoder中的差一错误，允许特制音频有效载荷触发单字节堆越界读取，可能导致邻近的攻击者通过流式蓝牙音频读取相邻堆内存中的单个字节。

CVSS 4.3 · Medium EPSS 0.30% · P20

Affected Version Matrix 4

VendorProduct Version RangeStatus
Red Hat Red Hat Enterprise Linux 10 any affected
Red Hat Red Hat Enterprise Linux 7 any affected
Red Hat Red Hat Enterprise Linux 8 any affected
Red Hat Red Hat Enterprise Linux 9 any affected
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I. Basic Information for CVE-2026-16473

Vulnerability Information
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Vulnerability Title
Sbc: sbc: heap out-of-bounds read via crafted sbc audio frame
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in the sbc library (BlueZ SBC codec). An off-by-one error in the SBC frame decoder allows a crafted audio payload to trigger a one-byte heap out-of-bounds read. This could allow an adjacent attacker streaming Bluetooth audio to read a single byte of adjacent heap memory.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
BlueZ SBC 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
BlueZ SBC是BlueZ组织的一个实现蓝牙SBC与mSBC音频编码和解码功能的软件库。 BlueZ SBC存在缓冲区错误漏洞，该漏洞源于SBC frame decoder中的差一错误，允许特制音频有效载荷触发单字节堆越界读取，可能导致邻近的攻击者通过流式蓝牙音频读取相邻堆内存中的单个字节。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

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 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-2026-16473

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III. Intelligence Information for CVE-2026-16473

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Vendor Advisories for CVE-2026-16473 (2)

Mailing List Discussions for CVE-2026-16473 (1)

Other References for CVE-2026-16473 (1)

Same Patch Batch · Red Hat · 2026-07-22 · 8 CVEs total

CVE-2026-44189 7.8 HIGH Ansible-lightspeed: visual studio code ansible lightspeed extension: arbitrary code execut
CVE-2026-44190 7.8 HIGH Ansible-lightspeed: ansible lightspeed visual studio code extension: arbitrary code execut
CVE-2026-44191 7.8 HIGH Ansible-lightspeed: visual studio code ansible lightspeed extension: remote code execution
CVE-2026-44192 6.6 MEDIUM Ansible-lightspeed: ansible lightspeed mcp server: remote code execution and data exfiltra
CVE-2026-16544 6.5 MEDIUM Awx: websocket eventconsumer missing authorization for inventory_update_events, project_up
CVE-2026-16560 5.3 MEDIUM 389-ds-base: 389-ds-base: heap-buffer-overflow in rdn_av_swap on quoted multivalued rdn
CVE-2026-44187 3.3 LOW Ansible-lightspeed: ansible lightspeed extension for visual studio code: information discl

IV. Related Vulnerabilities

Same product: Red Hat Enterprise Linux 10
Same vendor: Red Hat
Same weakness: CWE-125

V. Comments for CVE-2026-16473

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