CVE-2019-20917
When combined with the sqlauth or sqloper modules, this vulnerability can be used for remote crashing of an InspIRCd server by any user able to connect to a server.
Does this matter?
Lower severity and a low EPSS score (2.79%). Track it; it rarely justifies an emergency change on its own.
Description
An issue was discovered in InspIRCd 2 before 2.0.28 and 3 before 3.3.0. The mysql module contains a NULL pointer dereference when built against mariadb-connector-c 3.0.5 or newer. When combined with the sqlauth or sqloper modules, this vulnerability can be used for remote crashing of an InspIRCd server by any user able to connect to a server.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 2.79% probability · 86th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- inspircd/inspircd · debian/debian linux
- Source
- cve@mitre.org
EPSS 2.8% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://docs.inspircd.org/security/2019-02/Vendor Advisory
- https://github.com/inspircd/inspircd/commit/2cc35d8625b7ea5cbd1d1ebb116aff86c5280162Patch, Third Party Advisory
- https://github.com/inspircd/inspircd/commit/8745660fcdac7c1b80c94cfc0ff60928cd4dd4b7Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/09/msg00015.htmlMailing List, Third Party Advisory
- https://www.debian.org/security/2020/dsa-4764Third Party Advisory
- https://docs.inspircd.org/security/2019-02/Vendor Advisory
- https://github.com/inspircd/inspircd/commit/2cc35d8625b7ea5cbd1d1ebb116aff86c5280162Patch, Third Party Advisory
- https://github.com/inspircd/inspircd/commit/8745660fcdac7c1b80c94cfc0ff60928cd4dd4b7Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/09/msg00015.htmlMailing List, Third Party Advisory
- https://www.debian.org/security/2020/dsa-4764Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.