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CVE-2020-36846 PUBLISHED

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 0.15% · 35.2th percentile

Risk Scores

EPSS Score
0.15%
35.2th percentile

Affected Products

VendorProductVersions
Ubuntu:25.10libio-compress-brotli-perl0, 0.004001-2build4
Ubuntu:24.04:LTSlibio-compress-brotli-perl0.004001-2build1, 0, 0.004001-2build3

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