Threats Tagged 'ubuntu-cve-2026-55213'
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Threats Tagged 'ubuntu-cve-2026-55213'
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UBUNTU-CVE-2026-55213CVE-2026-55213 0 A vulnerability in the h2o HTTP server prior to commit edd7a120bfc4af11ac0cbebce2a43cc1f93f9af1 causes it to allocate an excessively large on-stack buffer (~800 KB) when processing QPACK instructions over HTTP/3. This allocation exceeds the default pthread stack size used by musl libc, leading to a segmentation fault and server crash. The issue has been fixed in the specified commit. Join the discussion | GCVE Database | 07/10/2026, 21:16:00 UTC Added: 07/16/2026, 10:37:44 UTC |
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