# Espressif Systems vulnerabilities

Source: https://junglewise.ai/threats/vendors/espressif-systems  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/vendors/espressif-systems.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 10 vulnerabilities in Espressif Systems: 0 in the last 7 days and 0 in the last 90 days, 2 of them critical and 0 exploited in the wild. The most recent, CVE-2026-55687, was published on 10 July 2026. 1 technology has a page of its own.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 10 (2 critical, 0 exploited in the wild)

## About Espressif Systems

A multinational semiconductor company that designs and manufactures low-power wireless systems-on-a-chip, including the ESP8266 and ESP32 series.

## Latest Espressif Systems vulnerabilities

- [CVE-2026-55687: Espressif ESP-IDF out-of-bounds write in JPEG decoder](https://junglewise.ai/threats/cve-2026-55687-espressif-esp-idf-out-of-bounds-write-in-jpeg-decoder) (high, CVSS 7.5, published 10 Jul 2026)
- [CVE-2026-46532: Espressif ESP-IDF out-of-bounds read in BlueDroid AVRCP parser](https://junglewise.ai/threats/cve-2026-46532-espressif-esp-idf-out-of-bounds-read-in-bluedroid-avrcp-parser) (medium, CVSS 4.6, published 10 Jun 2026)
- [CVE-2026-45542: Espressif ESP-IDF heap buffer overflow in protocomm Security2](https://junglewise.ai/threats/cve-2026-45542-espressif-esp-idf-heap-buffer-overflow-in-protocomm-security2) (high, CVSS 7.1, published 10 Jun 2026)
- [CVE-2026-45541: Espressif ESP-IDF NULL pointer dereference in esp_http_server](https://junglewise.ai/threats/cve-2026-45541-espressif-esp-idf-null-pointer-dereference-in-esp-http-server) (high, CVSS 7.5, published 10 Jun 2026)
- [CVE-2026-45329: Espressif ESP-IDF Out-of-Bounds Read in ESP-TEE Secure Service Wrappers](https://junglewise.ai/threats/cve-2026-45329-espressif-esp-idf-out-of-bounds-read-in-esp-tee-secure-service) (high, CVSS 7.1, published 10 Jun 2026)
- [CVE-2026-45328: Espressif ESP-IDF out-of-bounds write in esp_tee component](https://junglewise.ai/threats/cve-2026-45328-espressif-esp-idf-out-of-bounds-write-in-esp-tee-component) (critical, CVSS 9.3, published 10 Jun 2026)
- [CVE-2026-45160: Espressif ESP-IDF out-of-bounds read in lwIP DHCP server](https://junglewise.ai/threats/cve-2026-45160-espressif-esp-idf-out-of-bounds-read-in-lwip-dhcp-server) (medium, CVSS 6.5, published 10 Jun 2026)
- [CVE-2026-44358: Espressif Shared GitHub DangerJS untrusted search path in entrypoint](https://junglewise.ai/threats/cve-2026-44358-espressif-shared-github-dangerjs-untrusted-search-path-in) (high, CVSS 8.2, published 28 May 2026)
- [CVE-2026-42855: Espressif arduino-esp32 authentication bypass in WebServer Digest auth](https://junglewise.ai/threats/cve-2026-42855-espressif-arduino-esp32-authentication-bypass-in-webserver-digest) (high, CVSS 7.5, published 12 May 2026)
- [CVE-2026-42854: Espressif arduino-esp32 stack overflow in WebServer multipart parser](https://junglewise.ai/threats/cve-2026-42854-espressif-arduino-esp32-stack-overflow-in-webserver-multipart) (critical, CVSS 9.8, published 12 May 2026)

## Most severe Espressif Systems vulnerabilities

- [CVE-2026-42854: Espressif arduino-esp32 stack overflow in WebServer multipart parser](https://junglewise.ai/threats/cve-2026-42854-espressif-arduino-esp32-stack-overflow-in-webserver-multipart) (critical, CVSS 9.8, published 12 May 2026)
- [CVE-2026-45328: Espressif ESP-IDF out-of-bounds write in esp_tee component](https://junglewise.ai/threats/cve-2026-45328-espressif-esp-idf-out-of-bounds-write-in-esp-tee-component) (critical, CVSS 9.3, published 10 Jun 2026)
- [CVE-2026-44358: Espressif Shared GitHub DangerJS untrusted search path in entrypoint](https://junglewise.ai/threats/cve-2026-44358-espressif-shared-github-dangerjs-untrusted-search-path-in) (high, CVSS 8.2, published 28 May 2026)
- [CVE-2026-55687: Espressif ESP-IDF out-of-bounds write in JPEG decoder](https://junglewise.ai/threats/cve-2026-55687-espressif-esp-idf-out-of-bounds-write-in-jpeg-decoder) (high, CVSS 7.5, published 10 Jul 2026)
- [CVE-2026-45541: Espressif ESP-IDF NULL pointer dereference in esp_http_server](https://junglewise.ai/threats/cve-2026-45541-espressif-esp-idf-null-pointer-dereference-in-esp-http-server) (high, CVSS 7.5, published 10 Jun 2026)
- [CVE-2026-42855: Espressif arduino-esp32 authentication bypass in WebServer Digest auth](https://junglewise.ai/threats/cve-2026-42855-espressif-arduino-esp32-authentication-bypass-in-webserver-digest) (high, CVSS 7.5, published 12 May 2026)
- [CVE-2026-45542: Espressif ESP-IDF heap buffer overflow in protocomm Security2](https://junglewise.ai/threats/cve-2026-45542-espressif-esp-idf-heap-buffer-overflow-in-protocomm-security2) (high, CVSS 7.1, published 10 Jun 2026)
- [CVE-2026-45329: Espressif ESP-IDF Out-of-Bounds Read in ESP-TEE Secure Service Wrappers](https://junglewise.ai/threats/cve-2026-45329-espressif-esp-idf-out-of-bounds-read-in-esp-tee-secure-service) (high, CVSS 7.1, published 10 Jun 2026)
- [CVE-2026-45160: Espressif ESP-IDF out-of-bounds read in lwIP DHCP server](https://junglewise.ai/threats/cve-2026-45160-espressif-esp-idf-out-of-bounds-read-in-lwip-dhcp-server) (medium, CVSS 6.5, published 10 Jun 2026)
- [CVE-2026-46532: Espressif ESP-IDF out-of-bounds read in BlueDroid AVRCP parser](https://junglewise.ai/threats/cve-2026-46532-espressif-esp-idf-out-of-bounds-read-in-bluedroid-avrcp-parser) (medium, CVSS 4.6, published 10 Jun 2026)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Espressif Systems technologies

- [Espressif Systems ESP-IDF](https://junglewise.ai/threats/technologies/esp-idf): 7 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Espressif Systems vulnerabilities", https://junglewise.ai/threats/vendors/espressif-systems, 9 November 2026.