Out-of-bounds Read Affecting libpng package, versions [1.6.32,1.6.51)
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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Test your applications- Snyk IDSNYK-CONAN-LIBPNG-14103025
- published24 Nov 2025
- disclosed23 Nov 2025
- creditSamsung-PENTEST
Introduced: 23 Nov 2025
CVE-2025-64720 (opens in a new tab)How to fix?
Upgrade libpng to version 1.6.51 or higher.
Overview
Affected versions of this package are vulnerable to Out-of-bounds Read via the png_image_read_composite function when reading palette images with the PNG_FLAG_OPTIMIZE_ALPHA flag set. An attacker can supply a specially-crafted PNG image that triggers an invalid alpha pre-multiplication calculation.