What is CVE-2016-10711?

CVE-2016-10711 is a critical-severity vulnerability in Apsis Pound, classified under Inconsistent Interpretation of HTTP Requests (HTTP Request/Response Smuggling). CVSS score: 9.8/10. Published 2018-01-29.

How severe is CVE-2016-10711?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Apsis Pound

CVE-2016-10711

Apsis Pound before 2.8a allows request smuggling via crafted headers, a different vulnerability than CVE-2005-3751.

Vulnerability class: HTTP Request Smuggling

Published 2018-01-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.028 (86.1th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 86.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.028 · newest: 0.028 · change: 0.000

Affected products

Apsis Pound
Debian Linux — versions 7.0

Weakness classification (CWE)

CWE-444 — Inconsistent Interpretation of HTTP Requests (HTTP Request/Response Smuggling)

References

www.apsis.ch/pound/pound_list/archive/2016/2016-10/1477235279000 (Release Notes, Vendor Advisory)
lists.debian.org/debian-lts-announce/2018/02/msg00015.html (mailing-list, Third Party Advisory)
lists.debian.org/debian-lts-announce/2020/04/msg00028.html (mailing-list)
lists.debian.org/debian-lts-announce/2020/05/msg00003.html (mailing-list)

Frequently asked questions

What is CVE-2016-10711?: CVE-2016-10711 is a critical-severity vulnerability in Apsis Pound, classified under Inconsistent Interpretation of HTTP Requests (HTTP Request/Response Smuggling). CVSS score: 9.8/10. Published 2018-01-29.
How severe is CVE-2016-10711?: Critical severity. CVSS v3 base score is 9.8 out of 10.