Out-of-bounds Read in Espressif Esp-Idf
CVE-2026-46532
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L.
EPSS exploit prediction
EPSS: 0.004 (26.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 26.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.001
Affected products
- Espressif Esp-Idf — versions 5.2.6, 5.3.5, = 5.4.4
Weakness classification (CWE)
References
- github.com/espressif/esp-idf/commit/56053c4d1f37955ccf296cf2f6dfd0f7ebd4fae6 (Patch)
- github.com/espressif/esp-idf/commit/60f9362f83a05942069532f357c234cd5e5d4302 (Patch)
- github.com/espressif/esp-idf/commit/7c004d3fe3022f5f0db98dd1b2d0648a3a9cfb3f (Patch)
- github.com/espressif/esp-idf/commit/8746e5f7e762ead84d2902edec34d84cdd701b2b (Patch)
- github.com/espressif/esp-idf/commit/b0959b5ab1dc60398a916c80f14b1816780c801e (Patch)
- github.com/espressif/esp-idf/commit/c53d05ae526607ca5eae9ffedaf57775eec33a4f (Patch)
- github.com/espressif/esp-idf/security/advisories/GHSA-3pp8-42fh-3j3c (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-46532?
- CVE-2026-46532 is a medium-severity vulnerability in Espressif Esp-Idf, classified under Out-of-bounds Read. CVSS score: 4.6/10. Published 2026-06-10.
- How severe is CVE-2026-46532?
- Medium severity. CVSS v3 base score is 4.6 out of 10.