Description of the patch:
This update for python-aiohttp fixes the following issues
- CVE-2026-22815: insufficient header/trailer handling can cause a denial of service (bsc#1261320).
- CVE-2026-34513: unbounded DNS cache can cause a denial of service (bsc#1261321).
- CVE-2026-34514: content_type parameter manipulation can lead to header Injection (bsc#1261322).
- CVE-2026-34516: excessive multipart headers can cause a denial of service (bsc#1261329).
- CVE-2026-34517: large multipart form fields can cause a denial of service (bsc#1261331).
- CVE-2026-34518: retained Cookie and Proxy-Authorization headers during redirects can lead to information disclosure (bsc#1261332).
- CVE-2026-34519: reason parameter can be use to perform header injection (bsc#1261334).
- CVE-2026-34520: improper character handling can lead to header injection (bsc#1261335).
- CVE-2026-34525: multiple Host headers can potentially lead to security bypass (bsc#1261343).
- CVE-2026-34993: arbitrary code execution via loading untrusted input in CookieJar.load() (bsc#1267471).
- CVE-2026-47265: cookies set with the
cookies parameter on requests are sent after following a cross-origin redirect (bsc#1267561).