CVE-2025-2721 | GNOME libgsf up to 1.14.53 gsf_base64_encode_simple size_t heap-based overflow
A vulnerability was found in GNOME libgsf up to 1.14.53. It has been classified as critical. This affects the function gsf_base64_encode_simple. The manipulation of the argument size_t leads to heap-based buffer overflow.
This vulnerability is uniquely identified as CVE-2025-2721. An attack has to be approached locally. There is no exploit available.
The vendor was contacted early about this disclosure but did not respond in any way.