Use After Free Affecting libpng package, versions [,1.6.47)
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
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-15126104
- published28 Jan 2026
- disclosed27 Jan 2026
- creditkaiyu xie
Introduced: 27 Jan 2026
CVE-2025-28162 (opens in a new tab)How to fix?
Upgrade libpng to version 1.6.47 or higher.
Overview
Affected versions of this package are vulnerable to Use After Free in the png_malloc_base() function with AddressSanitizer enabled, the program leaks memory in various locations, eventually leading to excessive memory consumption and causing the application to become unresponsive. An attacker can trigger high memory usage and denial of service by repeatedly invoking the affected process with crafted input.
Note:
As mentioned by the package maintainer, the flawed logic wasn't introduced only in version 1.6.43, it was always present and 1.6.43 is the version the reporter used for fuzz testing.