PatchSiren cyber security CVE debrief

CVE-2026-46532 espressif CVE debrief

CVE-2026-46532 is a MEDIUM severity vulnerability in the Espressif Internet of Things (IOT) Development Framework (ESP-IDF). 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) in versions 5.2.6, 5.3.5, 5.4.4, 5.5.3, and 6.0. This issue has been patched in versions 5.2.7, 5.3.6, 5.4.5, 5.5.4, and 6.0.1.

Vendor: espressif
Product: esp-idf
CVSS: MEDIUM 4.6
CISA KEV: Not listed in stored evidence
Original CVE published: 2026-06-10
Original CVE updated: 2026-06-11
Advisory published: 2026-06-10
Advisory updated: 2026-06-11

Who should care

Users of Espressif Internet of Things (IOT) Development Framework (ESP-IDF) versions 5.2.6, 5.3.5, 5.4.4, 5.5.3, and 6.0 should apply patches to prevent exploitation.

Technical summary

The vulnerability is caused by an out-of-bounds read in the BlueDroid AVRCP vendor-command parser. The CVSS score is 4.6, indicating a MEDIUM severity vulnerability.

Defensive priority

MEDIUM

Recommended defensive actions

Upgrade to a patched version (5.2.7, 5.3.6, 5.4.5, 5.5.4, or 6.0.1) of Espressif Internet of Things (IOT) Development Framework (ESP-IDF).
Apply patches provided by the vendor.

Evidence notes

CVE-2026-46532 was published on 2026-06-10T02:16:33.287Z and modified on 2026-06-11T17:36:20.577Z.

Sources and references

Verified primary and authoritative sources

CVE-2026-46532 CVE Program record
Publisher, destination, and source semantics verified

URL: https://www.cve.org/CVERecord?id=CVE-2026-46532

CVE Program - Official CVE Program record with source-provided CVE metadata.
CVE-2026-46532 NVD vulnerability detail
Publisher, destination, and source semantics verified

URL: https://nvd.nist.gov/vuln/detail/CVE-2026-46532

NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Mitigation or vendor reference
Unverified legacy reference

URL: https://github.com/espressif/esp-idf/commit/56053c4d1f37955ccf296cf2f6dfd0f7ebd4fae6

[email protected] - Patch
Mitigation or vendor reference
Unverified legacy reference

URL: https://github.com/espressif/esp-idf/commit/60f9362f83a05942069532f357c234cd5e5d4302

[email protected] - Patch
Mitigation or vendor reference
Unverified legacy reference

URL: https://github.com/espressif/esp-idf/commit/7c004d3fe3022f5f0db98dd1b2d0648a3a9cfb3f

[email protected] - Patch
Mitigation or vendor reference
Unverified legacy reference

URL: https://github.com/espressif/esp-idf/commit/8746e5f7e762ead84d2902edec34d84cdd701b2b

[email protected] - Patch
Mitigation or vendor reference
Unverified legacy reference

URL: https://github.com/espressif/esp-idf/commit/b0959b5ab1dc60398a916c80f14b1816780c801e

[email protected] - Patch
Mitigation or vendor reference
Unverified legacy reference

URL: https://github.com/espressif/esp-idf/commit/c53d05ae526607ca5eae9ffedaf57775eec33a4f

[email protected] - Patch
Mitigation or vendor reference
Unverified legacy reference

URL: https://github.com/espressif/esp-idf/security/advisories/GHSA-3pp8-42fh-3j3c

[email protected] - Patch, Vendor Advisory

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.