Apache Traffic Server: PROXY protocol parsing has port truncation and a stack overflow

Apache Traffic Server: PROXY protocol parsing has port truncation and a stack overflow

Apache Traffic Server mishandles PROXY protocol input, truncating ports and overflowing the stack. 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.

Source published

29 Jul 2026 08:26:32 UTC

Source modified

1 Oct 2026 16:59:46 UTC

Saved here

23 Oct 2026 15:48:27 UTC

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Source: cve-program · CVE Program Terms of Use. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

CVSS 3.1 · 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS 4.0 · 8.2 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N