Threats Tagged 'cve-2026-12523'
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Threats Tagged 'cve-2026-12523'
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CVE-2026-12523: Vulnerability in Cloudflare quicheCVE-2026-12523 0 Cloudflare quiche's HTTP/3 implementation has a vulnerability that allows resource exhaustion via specially crafted HTTP/3 frames. The issue arises from pre-allocating memory based on declared frame lengths without requiring the attacker to send the full declared data. Additionally, incorrect enforcement of QPACK decompression limits can cause excessive memory usage. This vulnerability is addressed in quiche version 0.29.3. The CVSS score is 7.5, indicating high severity. Join the discussion | CVE Database V5 | 07/14/2026, 15:51:28 UTC Added: 07/14/2026, 16:18:54 UTC |
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