Bug 2491465 (CVE-2026-54278) - CVE-2026-54278 aiohttp: aiohttp: Denial of Service due to excessive memory consumption from compressed request body
Summary: CVE-2026-54278 aiohttp: aiohttp: Denial of Service due to excessive memory co...
Keywords:
Status: NEW
Alias: CVE-2026-54278
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
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Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-06-22 18:02 UTC by OSIDB Bzimport
Modified: 2026-06-25 11:18 UTC (History)
78 users (show)

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Description OSIDB Bzimport 2026-06-22 18:02:59 UTC 
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, during cleanup it is possible for a compressed request body to be decompressed into memory in one chunk. An attacker may be able to send a compressed payload in specific situations that could be decompressed into memory, potentially leading to DoS (a zip bomb edge case). This vulnerability is fixed in 3.14.1.
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