CVE-2026-34183
CVE-2026-34183
Issue summary: Remote peer may exhaust heap memory of the QUIC server or client by flooding it with packets containing PATH_CHALLENGE frames. Impact summary: A malicious remote peer can cause an unbounded memory allocation which can lead…
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-34183?
- CVE-2026-34183 is a high-severity vulnerability, classified under CWE-1325. CVSS score: 7.5/10. Published 2026-06-09.
- How severe is CVE-2026-34183?
- High severity. CVSS v3 base score is 7.5 out of 10.