Description
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 toward the per-call packet budget, a connected QUIC peer can continuously stream empty datagrams to indefinitely stall the client.
Mitigation
Minimal update. May introduce new vulnerabilities or breaking changes.
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 debian 14 | | =8.14.1-2 || =8.14.1-2+exp1 || =8.15.0-1 || =8.15.0-1~bpo13+1 || =8.15.0-1~exp1 || =8.15.0~rc1-1exp1 || =8.15.0~rc2-1~exp1 || =8.15.0~rc3-1~exp1 || =8.16.0-1 || =8.16.0-1+exp1 || =8.16.0-1~bpo13+1 || =8.16.0-2 || =8.16.0-3 || =8.16.0-4 || =8.16.0-4~bpo13+1 || =8.16.0~rc1-1~exp1 || =8.16.0~rc2-1 || =8.16.0~rc2-2 || =8.16.0~rc3-1 || =8.17.0-1 || =8.17.0-2 || =8.17.0-3 || =8.17.0~rc1-1~exp1 || =8.17.0~rc2-1 || =8.17.0~rc3-1 || =8.18.0-1 || =8.18.0-1~bpo13+1 || =8.18.0-2 || =8.18.0~rc1-1+exp1 || =8.18.0~rc2-1 || =8.18.0~rc3-1 || =8.19.0-1 || =8.19.0-1+exp1 || =8.19.0-1~bpo13+1 || =8.19.0-2 || =8.19.0-3 || =8.19.0-3+exp1 || =8.19.0-3+exp2 || =8.19.0~rc1-1~exp1 || =8.19.0~rc2-1 || =8.19.0~rc2-2 || =8.19.0~rc3-1 || =8.20.0-1 || =8.20.0-1+exp || =8.20.0-2 || =8.20.0-2+exp1 || =8.20.0-2~bpo13+1 || =8.20.0-3 || =8.20.0-4 || =8.20.0-5 || =8.20.0-5~bpo13+1 || =8.20.0~rc1-1+exp1 || =8.20.0~rc1-1+exp2 || =8.20.0~rc1-1+exp3 || =8.20.0~rc2-1 || =8.20.0~rc2-1+exp1 || =8.20.0~rc3-1 || =8.20.0~rc3-1+exp1 || =8.21.0~rc1-1+exp1 || >=0 <8.21.0~rc2-1 | 8.21.0~rc2-1 |
 alpine v3.24 | | | 8.21.0-r0 |
 rpm rhel10 | | - | - |
rpm rhel6 | | - | - |
rpm rhel7 | | - | - |
rpm rhel8 | | - | - |
rpm rhel9 | | - | - |
