NetSight
medium5.9

CVE-2026-33930

Apache Traffic Server copies the client Host header into a fixed-size stack buffer without a bound during redirect handling, so an over-long Host header overfl…

Impact

Apache Traffic Server copies the client Host header into a fixed-size stack buffer without a bound during redirect handling, so an over-long Host header overflows the stack when redirect following is enabled. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.

Affected products

VendorProductAffected versions
ApacheTraffic Server
from 8.0.0 through 8.1.9
from 9.0.0 before 9.2.15
from 10.0.0 before 10.1.4

Weakness classification

References