Search: CVE-2026-69244

CVE-2026-69244 is a high severity vulnerability in aiohttp, an asynchronous HTTP client/server framework for Python. Versions prior to 3.14.3 contain an out-of-bounds heap read in the C response parser during error message construction for malformed HTTP responses. This flaw can be triggered by a malicious or accidental server response, potentially causing a denial of service (DoS) in the client. The issue is fixed in version 3.14.3.