What is CVE-2015-8702?

CVE-2015-8702 is a high-severity vulnerability in Inspircd, classified under Improper Input Validation. CVSS score: 8.6/10. Published 2016-04-12.

How severe is CVE-2015-8702?

High severity. CVSS v3 base score is 8.6 out of 10.

Improper input validation in Inspircd

CVE-2015-8702

The DNS::GetResult function in dns.cpp in InspIRCd before 2.0.19 allows remote DNS servers to cause a denial of service (netsplit) via an invalid character in a PTR response, as demonstrated by a "\032" (whitespace) character in a hostname.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2016-04-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.023 (82.5th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 82.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000

Affected products

Inspircd
Debian Linux — versions 7.0, 8.0

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

github.com/inspircd/inspircd/issues/1033 (Exploit)
security.gentoo.org/glsa/201512-13 (vendor-advisory)
www.inspircd.org/2015/04/16/v2019-released.html (Vendor Advisory)
www.debian.org/security/2016/dsa-3527 (vendor-advisory, Vendor Advisory)
github.com/inspircd/inspircd/commit/6058483d9fbc1b904d5ae7cfea47bfcde5c5b559 (Exploit)

Frequently asked questions

What is CVE-2015-8702?: CVE-2015-8702 is a high-severity vulnerability in Inspircd, classified under Improper Input Validation. CVSS score: 8.6/10. Published 2016-04-12.
How severe is CVE-2015-8702?: High severity. CVSS v3 base score is 8.6 out of 10.