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CVE-2026-46532— ESF-IDF: Heap Out-of-Bounds Read in Bluedroid AVRCP Target Parser

Quick assessment

Affected
espressif esp-idf
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.

ESP-IDF是Espressif开源的一个 Windows、Linux 和 macOS 上支持的 Espressif SoC 的开发框架。 ESP-IDF 5.2.6版本、5.3.5版本、5.4.4版本、5.5.3版本和6.0版本存在缓冲区错误漏洞，该漏洞源于BlueDroid AVRCP vendor-command解析器中存在越界读取。

CVSS 4.6 · Medium EPSS 0.36% · P27

Affected Version Matrix 5

VendorProduct Version RangeStatus
espressif esp-idf = 5.2.6 affected
= 5.3.5 affected
= 5.4.4 affected
= 5.5.3 affected
= 6.0 affected
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I. Basic Information for CVE-2026-46532

Vulnerability Information
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Vulnerability Title
ESF-IDF: Heap Out-of-Bounds Read in Bluedroid AVRCP Target Parser
Source: CVE Program / CVE List V5
Vulnerability Description
ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. In versions 5.2.6, 5.3.5, 5.4.4, 5.5.3, and 6.0, an out-of-bounds read exists in the BlueDroid AVRCP vendor-command parser (avrc_pars_vendor_cmd() in components/bt/host/bluedroid/stack/avrc/avrc_pars_tg.c). This issue has been patched in versions 5.2.7, 5.3.6, 5.4.5, 5.5.4, and 6.0.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
ESP-IDF 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ESP-IDF是Espressif开源的一个 Windows、Linux 和 macOS 上支持的 Espressif SoC 的开发框架。 ESP-IDF 5.2.6版本、5.3.5版本、5.4.4版本、5.5.3版本和6.0版本存在缓冲区错误漏洞，该漏洞源于BlueDroid AVRCP vendor-command解析器中存在越界读取。
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
espressif esp-idf = 5.2.6 -

II. Public POCs for CVE-2026-46532

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III. Intelligence Information for CVE-2026-46532

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Patches & Fixes for CVE-2026-46532 (6)

Vendor Advisories for CVE-2026-46532 (1)

Same Patch Batch · espressif · 2026-06-10 · 6 CVEs total

CVE-2026-45328 9.3 CRITICAL ESF-IDF: Out-of-Bounds Write in ESP-TEE Secure Service Wrappers
CVE-2026-45541 7.5 HIGH ESF-IDF: Remote Null Pointer Dereference in WebSocket Server
CVE-2026-45542 7.1 HIGH ESF-IDF: Heap buffer overflow in protocomm Security2 over Bluetooth
CVE-2026-45329 7.1 HIGH ESF-IDF: Out-of-Bounds Read in ESP-TEE Secure Service Wrappers
CVE-2026-45160 6.5 MEDIUM ESF-IDF: Out-of-bounds Read in lwIP DHCP Server Option Parser

IV. Related Vulnerabilities

Same product: esp-idf
Same vendor: espressif
Same weakness: CWE-125

V. Comments for CVE-2026-46532

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