NULL Pointer Dereference Affecting espressif/esp-idf package, versions [,5.2.7)[6.0-beta1,6.0.1)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published21 Jun 2026
- disclosed10 Jun 2026
- creditEun0us
Introduced: 10 Jun 2026
CVE-2026-45541 (opens in a new tab)How to fix?
Upgrade espressif/esp-idf to version 5.2.7, 6.0.1 or higher.
Overview
Affected versions of this package are vulnerable to NULL Pointer Dereference in the WebSocket subprotocol-negotiation process. An attacker can cause the server to crash by sending a specially crafted Sec-WebSocket-Protocol header during the handshake.