CVE-2026-46532 ESF-IDF: Heap Out-of-Bounds Read in Bluedroid AVRCP Target Parser
An out-of-bounds read in the Bluedroid AVRCP parser allows attackers to disclose memory or cause denial of service in Espressif IoT devices.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-46532?
CVE-2026-46532 is a medium-severity memory corruption vulnerability in espressif esp-idf, published on 10 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-125
Which versions are affected by CVE-2026-46532?
It affects 1 product.
Products include Espressif Esp-Idf.
How do I fix CVE-2026-46532?
No fix has been published for CVE-2026-46532 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-46532 being exploited?
There is no known exploitation of CVE-2026-46532 in the wild and no public exploit code.
Other vulnerabilities in espressif esp-idf
Sources
Also known as GHSA-3pp8-42fh-3j3c.