CVE-2026-82520 — parsedmarc < 11.0.1 Zip Bomb DoS via Compressed Email Attachments
parsedmarc before 11.0.1 decompresses gzip and ZIP attachments in a single unbounded read with no limit on decompressed output size. Because parsedmarc automatically processes i…
Published: 2026-09-03 · CVSS: 8.7 · CVSS 4.0
parsedmarc before 11.0.1 decompresses gzip and ZIP attachments in a single unbounded read with no limit on decompressed output size. Because parsedmarc automatically processes incoming DMARC report emails without user interaction, an unauthenticated remote attacker can send a crafted email with a highly compressed attachment to the monitored mailbox, causing the parsedmarc process to allocate memory proportional to the uncompressed size and exhaust available RAM.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7