Source: python-aiohttp Version: 3.14.1-4 Severity: important Tags: security upstream X-Debbugs-Cc: [email protected], Debian Security Team <[email protected]>
Hi, The following vulnerability was published for python-aiohttp. CVE-2026-59881[0]: | AIOHTTP is an asynchronous HTTP client/server framework for asyncio | and Python. Prior to 3.14.2, the WebSocket client accepts and | decompresses frames with the RSV1 bit set even when the permessage- | deflate extension was not negotiated, allowing a malicious server to | cause unexpected CPU and memory consumption. This issue is fixed in | version 3.14.2. If you fix the vulnerability please also make sure to include the CVE (Common Vulnerabilities & Exposures) id in your changelog entry. For further information see: [0] https://security-tracker.debian.org/tracker/CVE-2026-59881 https://www.cve.org/CVERecord?id=CVE-2026-59881 [1] https://github.com/aio-libs/aiohttp/security/advisories/GHSA-mq44-7p77-q5h7 [2] https://github.com/aio-libs/aiohttp/pull/12978 [3] https://github.com/aio-libs/aiohttp/commit/47fb6ae354d4fa22048f4dbe7dbf82b625f0a2f6 Please adjust the affected versions in the BTS as needed. Regards, Salvatore

