Vulnerability in Curl
CVE-2026-11352
An issue in curl’s QUIC UDP receive function allows a malicious HTTP/3 server to trigger a remote denial of service against a curl or libcurl client. Because the helper function discards zero-length UDP datagrams before counting them towar…
Affected products
- Curl — versions 8.20.0, 8.19.0, 8.18.0