What’s Vulnerable › Vulnerabilities

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

• Severity: medium (CVSS 4.6 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-10 · updated 2026-07-23
• Weakness: CWE-125

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.

Affected products

• espressif esp-idf: 5.2.6, 5.3.5, 5.4.4, 5.5.3, 6.0

References

• https://github.com/espressif/esp-idf/commit/56053c4d1f37955ccf296cf2f6dfd0f7ebd4fae6
• https://github.com/espressif/esp-idf/commit/60f9362f83a05942069532f357c234cd5e5d4302
• https://github.com/espressif/esp-idf/commit/7c004d3fe3022f5f0db98dd1b2d0648a3a9cfb3f
• https://github.com/espressif/esp-idf/commit/8746e5f7e762ead84d2902edec34d84cdd701b2b
• https://github.com/espressif/esp-idf/commit/b0959b5ab1dc60398a916c80f14b1816780c801e
• https://github.com/espressif/esp-idf/commit/c53d05ae526607ca5eae9ffedaf57775eec33a4f
• https://github.com/espressif/esp-idf/security/advisories/GHSA-3pp8-42fh-3j3c

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