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
Published Apr 12, 2016
8.6
HIGHCVSS 3.0
EPSS 2.28%
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.
Affected products
No data.
Configuration 1
- 7.0
- 8.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
AV:N/AC:L/Au:N/C:N/I:N/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.28% (0.02282) | 82.53th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.28% (0.02282) | 80.83th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.64% (0.00643) | 68.89th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.84% (0.00838) | 82.77th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.84% (0.00838) | 81.50th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.84% (0.00838) | 79.47th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.02% (0.01018) | 38.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.02% (0.01018) | 36.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
References (5)
- http://www.debian.org/security/2016/dsa-3527 vendor-advisoryx_refsource_DEBIANVendor Advisory
- http://www.inspircd.org/2015/04/16/v2019-released.html x_refsource_CONFIRMVendor Advisory
- https://github.com/inspircd/inspircd/commit/6058483d9fbc1b904d5ae7cfea47bfcde5c5b559 x_refsource_CONFIRMExploit
- https://github.com/inspircd/inspircd/issues/1033 x_refsource_CONFIRMExploit
- https://security.gentoo.org/glsa/201512-13 vendor-advisoryx_refsource_GENTOO
| Link | Providers | Tags |
|---|---|---|
| http://www.debian.org/security/2016/dsa-3527 | vendor-advisoryx_refsource_DEBIANVendor Advisory | |
| http://www.inspircd.org/2015/04/16/v2019-released.html | x_refsource_CONFIRMVendor Advisory | |
| https://github.com/inspircd/inspircd/commit/6058483d9fbc1b904d5ae7cfea47bfcde5c5b559 | x_refsource_CONFIRMExploit | |
| https://github.com/inspircd/inspircd/issues/1033 | x_refsource_CONFIRMExploit | |
| https://security.gentoo.org/glsa/201512-13 | vendor-advisoryx_refsource_GENTOO |
Change history (0)
No recorded changes yet.