PatchSiren

torproject CVE debriefs

These pages are published after PatchSiren validates generated defensive summaries against stored public CVE and source evidence.

MEDIUM torproject CVE published 2026-08-20

CVE-2026-77639

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-20T21:17:11.233Z and has not been modified since then. This vulnerability, CVE-2026-77639, affects Tor versions before 0.4.9.9 and is related to a compression bomb bypass. An attacker could exploit this issue by concatenating many gzip or zlib sub-streams to bypass the compression bomb check, potent [truncated]