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Advisory record · EEF-CVE-2026-111497

Out-of-bounds write in the Brotli decoder bundled with erl-brotli

CVSS 4.0, no score published

Published by OSV at 22 Oct 2026, 13:35 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
brotliHex>=0.3.0, <0.3.40.3.4
Identifiers
EEF-CVE-2026-111497
Weakness (CWE)
CWE-787
Tags
Published
22 Oct 2026
Updated
6 Nov 2026

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
Not published None 4.0 CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N OSV
  • CISA KEV Not listed.
  • EPSS No score.

Timeline

  1. 5 Nov 2026, 20:00 UTC Confirmed by OSV
  2. 5 Nov 2026, 20:16 UTC First seen by agentprime

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.