Stack-based Buffer Overflow Affecting espressif/esp-idf package, versions [,6.0.2)
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.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-UNMANAGED-ESPRESSIFESPIDF-17950413
- published11 Jul 2026
- disclosed10 Jul 2026
- creditUnknown
Introduced: 10 Jul 2026
CVE-2026-55687 (opens in a new tab)How to fix?
Upgrade espressif/esp-idf to version 6.0.2 or higher.
Overview
Affected versions of this package are vulnerable to Stack-based Buffer Overflow in the jpeg_parse_dqt_marker function. An attacker can corrupt stack memory and cause a denial of service by providing a malformed JPEG input with a specially crafted DQT marker Tq nibble that is used as an index into the qt_tbl array without proper validation.