CVE-2026-115482

State
Published
Severity
7.5 High
Published
Oct 22, 2026
Updated
Oct 22, 2026
Reserved
Oct 22, 2026

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.17.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hmitre

Weaknesses

  • CWE-770 Allocation of Resources Without Limits or Throttling

Affected Products

ProductVersions
lsquiclitespeedtech
  • before 4.9.0Affected

References

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