https://vulnerability.circl.lu/rss/recent/all/10 Most recent entries from all 2026-09-29T20:00:24.711832+00:00 Vulnerability-Lookup info@circl.lu python-feedgen Contains only the most 10 recent entries. https://vulnerability.circl.lu/vuln/cve-2026-22815 CVE-2026-22815 — AIOHTTP: Uncapped memory usage possible through aiohttp allowing unlimited trailer headers 2026-09-29T20:00:24.999379+00:00

Affected: aio-libs aiohttp

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, insufficient restrictions in header/trailer handling could cause uncapped memory usage. This issue has been patched in version 3.13.4.

 https://vulnerability.circl.lu/vuln/ghsa-w2fm-2cpv-w7v5 GHSA-w2fm-2cpv-w7v5 — aiohttp allows unlimited trailer headers, leading to possible uncapped memory usage 2026-09-29T20:00:24.999518+00:00

Affected: PyPI: aiohttp

### Summary

Insufficient restrictions in header/trailer handling could cause uncapped memory usage.

### Impact

An application could cause memory exhaustion when receiving an attacker controlled request or response. A vulnerable web application could mitigate these risks with a typical reverse proxy configuration.

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Patch: https://github.com/aio-libs/aiohttp/commit/0c2e9da51126238a421568eb7c5b53e5b5d17b36

 https://vulnerability.circl.lu/vuln/pysec-2026-2094 PYSEC-2026-2094 2026-09-29T20:00:24.999615+00:00

Affected: PyPI: aiohttp

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, insufficient restrictions in header/trailer handling could cause uncapped memory usage. This issue has been patched in version 3.13.4.