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Vulnerability record · CVE-2015-8702 · published 12 April 2016

CVE-2015-8702: Debian linux improper input validation vulnerability

Debian · Debian Linux

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.

8.6 CVSS 3.0 High EPSS 2.3% · top 17.5% CWE-20 · Improper input validation
8.6CVSS 3.0 base score, v2 7.8
2.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
10References, 4 tagged exploit
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.debian.org/security/2016/dsa-3527 Vendor Advisory
http://www.inspircd.org/2015/04/16/v2019-released.html Vendor Advisory
https://github.com/inspircd/inspircd/commit/6058483d9fbc1b904d5ae7cfea47bfcde5c5b559 Exploit
https://github.com/inspircd/inspircd/issues/1033 Exploit
https://security.gentoo.org/glsa/201512-13
http://www.debian.org/security/2016/dsa-3527 Vendor Advisory
http://www.inspircd.org/2015/04/16/v2019-released.html Vendor Advisory
https://github.com/inspircd/inspircd/commit/6058483d9fbc1b904d5ae7cfea47bfcde5c5b559 Exploit
https://github.com/inspircd/inspircd/issues/1033 Exploit
https://security.gentoo.org/glsa/201512-13

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Source: NIST National Vulnerability Database (record CVE-2015-8702), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.