CVE-2026-122146 | 101arrowz fflate up to 0.8.3 esm/index.mjs unzipSync memory corruption

November 4, 2026 Yanac

A vulnerability was found in 101arrowz fflate up to 0.8.3. It has been classified as critical. This issue affects the function unzipSync of the file esm/index.mjs. This manipulation causes memory corruption.

The identification of this vulnerability is CVE-2026-122146. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.

The vendor was contacted early about this disclosure but did not respond in any way.VulDB Recent EntriesRead More