Integer Overflow or Wraparound Affecting libheif package, versions [,1.23.1)
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.
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 applicationsSnyk Learn
Learn about Integer Overflow or Wraparound vulnerabilities in an interactive lesson.
Start learning- Snyk IDSNYK-CONAN-LIBHEIF-18302847
- published25 Jul 2026
- disclosed22 Jul 2026
- creditUnknown
Introduced: 22 Jul 2026
NewCVE-2026-47714 (opens in a new tab)How to fix?
Upgrade libheif to version 1.23.1 or higher.
Overview
Affected versions of this package are vulnerable to Integer Overflow or Wraparound via the libheif/region.cc process. An attacker can trigger out-of-bounds memory access by crafting a HEIF file with large width and height values that cause an integer overflow during buffer allocation.