VDB

CVE-2020-36846

CVE-2020-36846 PUBLISHED CVSS 9.800000190734863 CRITICAL

A buffer overflow, as described in CVE-2020-8927, exists in the embedded Brotli library.  Versions of IO::Compress::Brotli prior to 0.007 included a version of the brotli library prior to version 1.0.8, where an attacker controlling the input length of a "one-shot" decompression request to a script can trigger a crash, which happens when copying over chunks of data larger than 2 GiB. It is recommended to update your IO::Compress::Brotli module to 0.007 or later. If one cannot update, we recommend to use the "streaming" API as opposed to the "one-shot" API, and impose chunk size limits.

EPSS 0.63% · 48.6th percentile

Risk Scores

CVSS 3.1
9.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.63%
48.6th percentile

Affected Products

VendorProductVersions
Ubuntu:25.10libio-compress-brotli-perl0, 0.004001-2build4
Ubuntu:24.04:LTSlibio-compress-brotli-perl0, 0.004001-2, 0.004001-2build1

Timeline

  • Sep 15, 2020 CVE Published
  • May 30, 2025 EPSS Score
  • Jun 11, 2025 EPSS Score
  • Jun 22, 2025 EPSS Score
  • Jul 4, 2025 EPSS Score
  • Jul 15, 2025 EPSS Score
  • Jul 27, 2025 EPSS Score
  • Aug 8, 2025 EPSS Score
  • Aug 19, 2025 EPSS Score
  • Aug 31, 2025 EPSS Score
  • Sep 11, 2025 EPSS Score
  • Sep 23, 2025 EPSS Score
Open in Interactive Console →
$ Console Community · 100/wk Open console ›