Medium5.9Red Hat Linux Updated
Denial of Service due to excessive memory consumption from compressed request body
CVE-2026-54278 Published Jun 22, 2026Updated by vendor Jun 22, 2026
Affected products & platforms
Red Hat LinuxUnclassified
Summary
Denial of Service due to excessive memory consumption from compressed request body. Red Hat rates this moderate (CVSS 5.9). Weakness: CWE-409.
Affected versions
- < 3.14.1
Official advisory · high-confidence parse· fetched 7 hours ago·verify at source
Mitigation checklist
Recommended fix / mitigation
- Update the aiohttp package to version 3.14.1 or later. Until updated builds are available, reduce exposure by not exposing aiohttp-based HTTP servers directly to untrusted networks. As a workaround, disable HTTP request body compression on aiohttp servers if unable to upgrade immediately. Installations that use aiohttp only as an HTTP client are not affected by this flaw.
Official advisory · high-confidence parse· fetched 7 hours ago·verify at source
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