Out-of-bounds Read Affecting libpng package, versions [,1.6.55)
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-15263967
- published11 Feb 2026
- disclosed10 Feb 2026
- creditJoshua Inscoe
Introduced: 10 Feb 2026
CVE-2026-25646 (opens in a new tab)How to fix?
Upgrade libpng to version 1.6.55 or higher.
Overview
Affected versions of this package are vulnerable to Out-of-bounds Read via the png_set_quantize() function. An attacker can execute arbitrary code or cause a denial of service by providing images with no histogram and the number of colors in the palette is more than twice the maximum supported by the user's display.