CVE-2026-55195 py7zr: Decompression bomb (zip bomb) denial of service via unchecked extraction size

py7zr is a Python-based library and utility to support 7zip archive compression, decompression, encryption and decryption. Prior to 1.1.3, py7zr's Worker.decompress extracted archive entries without tracking total decompressed size, allowing a crafted .7z file such as a 15.6 KB archive that expan...

CVE-2026-55195

creationtimestamp| type| source ---|---|--- 2026-06-19 09:32:20+00:00| published-proof-of-concept| https://github.com/miurahr/py7zr/security/advisories/GHSA-gjrg-mpp7-g774 2026-07-08 22:31:32+00:00| seen| https://bsky.app/profile/cve.skyfleet.blue/post/3mq66cvk66i27...