[ CVE-2026-115482 · Published 22 Oct 2026 ]
Vulnerability in litespeedtech lsquic
CVSS 7.5
No fix listed yet
[ Description ]Official description
In lsquic before 4.9.0, the HTTP/3 implementation can use an excessive amount of memory because the number of buffered header sets is not limited, as demonstrated by a QPACK amplification attack. This is related to header_out_dynamic_entry and es_max_header_list_size.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.