CVE-2026-46532: ESF-IDF: Heap Out-of-Bounds Read in Bluedroid AVRCP Target Parser
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 (avrcparsvendorcmd() in components/bt/host/bluedroid/stack/avrc/avrcparstg.c). This issue has been patched in versions 5.2.7, 5.3.6, 5.4.5, 5.5.4, and 6.0.1.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
ESF-IDFto a version that resolves this vulnerability.Fixed in 5.2.7 - Upgrade
Upgrade
ESF-IDFto a version that resolves this vulnerability.Fixed in 5.3.6 - Upgrade
Upgrade
ESF-IDFto a version that resolves this vulnerability.Fixed in 5.4.5 - Upgrade
Upgrade
ESF-IDFto a version that resolves this vulnerability.Fixed in 5.5.4 - Upgrade
Upgrade
ESF-IDFto a version that resolves this vulnerability.Fixed in 6.0.1
Event History
Frequently Asked Questions
What is the severity of CVE-2026-46532?
The severity of CVE-2026-46532 is medium with a score of 4.6.
What impact does CVE-2026-46532 have on my system?
CVE-2026-46532 can lead to a heap out-of-bounds read, potentially affecting system stability and security.
How do I fix CVE-2026-46532?
To fix CVE-2026-46532, upgrade to a patched version of the Espressif ESP-IDF that addresses this vulnerability.
Which versions of Espressif ESP-IDF are affected by CVE-2026-46532?
CVE-2026-46532 affects Espressif ESP-IDF versions 5.2.6, 5.3.5, 5.4.4, 5.5.3, and 6.0.
Is CVE-2026-46532 a critical vulnerability?
No, CVE-2026-46532 is considered a medium severity vulnerability, not critical.