ESF-IDF: Heap Out-of-Bounds Read in Bluedroid AVRCP Target Parser
Priority LOW 21CWE-125Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · None · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00228 13th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| espressif | esp-idf | = 5.2.6; = 5.3.5; = 5.4.4; = 5.5.3; = 6.0 | — | No fix listed | CNA |
- esp-idf Vendorespressif Affected = 5.2.6; = 5.3.5; = 5.4.4; = 5.5.3; = 6.0 Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:espressif:esp-idf:5.2.6:*:*:*:*:*:*:* | 5.2.6 | Vulnerable | espressif |
| cpe:2.3:a:espressif:esp-idf:5.3.5:*:*:*:*:*:*:* | 5.3.5 | Vulnerable | espressif |
| cpe:2.3:a:espressif:esp-idf:5.4.4:*:*:*:*:*:*:* | 5.4.4 | Vulnerable | espressif |
| cpe:2.3:a:espressif:esp-idf:5.5.3:*:*:*:*:*:*:* | 5.5.3 | Vulnerable | espressif |
| cpe:2.3:a:espressif:esp-idf:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | espressif |
- cpe:2.3:a:espressif:esp-idf:5.2.6:*:*:*:*:*:*:* Versions 5.2.6 Vulnerable ·espressif
- cpe:2.3:a:espressif:esp-idf:5.3.5:*:*:*:*:*:*:* Versions 5.3.5 Vulnerable ·espressif
- cpe:2.3:a:espressif:esp-idf:5.4.4:*:*:*:*:*:*:* Versions 5.4.4 Vulnerable ·espressif
- cpe:2.3:a:espressif:esp-idf:5.5.3:*:*:*:*:*:*:* Versions 5.5.3 Vulnerable ·espressif
- cpe:2.3:a:espressif:esp-idf:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·espressif
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-46532
References
Patch 7
- https://github.com/espressif/esp-idf/security/advisories/GHSA-3pp8-42fh-3j3c
- 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
More espressif Esp-idf vulnerabilities
- TI-2024-22076 Buffer Overflow vulnerability in esp-idf v.5.1 allows a remote attacker to execute… CVSS 3.1MEDIUM 6.5
- TI-2026-33125 ESF-IDF: Out-of-Bounds Write in ESP-TEE Secure Service Wrappers CVSS 3.1CRITICAL 9.3
- TI-2025-32598 ESP-NOW Integer Underflow Vulnerability Advisory CVSS 4.0HIGH 7.2
- TI-2022-08703 Espressif Bluetooth Mesh Stack Vulnerable to Out-of-bounds Write leading to memory buffer corruption CVSS 3.1HIGH 8.8
- TI-2021-09371 The Bluetooth Classic implementation in Espressif ESP-IDF 4.4 and earlier does not… CVSS 3.1HIGH 8.8
- TI-2026-33292 ESF-IDF: Remote Null Pointer Dereference in WebSocket Server CVSS 3.1HIGH 7.5
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences