fix(decompress): limit Content-Encoding chain to 5 to prevent resourc… #4729
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…e exhaustion A malicious server could send responses with thousands of Content-Encoding layers, causing high CPU usage and memory allocation when creating decompressors. This fix limits the number of content-encodings to 5, matching the approach used by urllib3 (GHSA-gm62-xv2j-4w53), curl (CVE-2022-32206), and the recent fix in lib/web/fetch/index.js. Fixes CWE-770: Allocation of Resources Without Limits or Throttling 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> Signed-off-by: Matteo Collina <hello@matteocollina.com>
marco-ippolito
approved these changes
Jan 6, 2026
Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## main #4729 +/- ##
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+ Coverage 92.86% 92.87% +0.01%
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Files 109 109
Lines 33818 33826 +8
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+ Hits 31404 31415 +11
+ Misses 2414 2411 -3 ☔ View full report in Codecov by Sentry. 🚀 New features to boost your workflow:
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