CVE-2025-32025: bep/imagemeta allows a potentially large memory allocation in PNG and WebP parsing

April 9, 2025

The buffer created for parsing metadata for PNG and WebP images was only bounded by their input data type, which could lead to potentially large memory allocation, and unreasonably high for image metadata. Before v0.11.0, If you didn’t trust the input images, this could be abused to construct denial-of-service attacks.

References

github.com/advisories/GHSA-fmhh-rw3h-785m
github.com/bep/imagemeta
github.com/bep/imagemeta/commit/ee0de9b029f4e82106729f69559f27c9a404229d
github.com/bep/imagemeta/security/advisories/GHSA-fmhh-rw3h-785m
nvd.nist.gov/vuln/detail/CVE-2025-32025

Code Behaviors & Features

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