CVE-2018-6534 json
An issue was discovered in Icinga 2.x through 2.8.1.
published 2018-02-27 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-18286
- cvss
- 6.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 65%
- public exploits
- 0
- none known
Summary
An issue was discovered in Icinga 2.x through 2.8.1. By sending specially crafted messages, an attacker can cause a NULL pointer dereference, which can cause the product to crash.
Patch / fix
- icinga2 Debian 14, Debian 13, Debian 12 2.8.4-1
debian advisories DEBIAN-CVE-2018-6534
- icinga2 openSUSE Tumbleweed 2.13.1-1.3
opensuse advisories openSUSE-SU-2024:10856-1
- icinga2 Alpine 3.7 2.8.2-r0
alpine advisories ALPINE-CVE-2018-6534
Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- github.com/Icinga/icinga2#6104 pull request
Exploit prediction
1.08% chance of exploitation in the next 30 days, higher than 65% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 6.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-476 NULL Pointer Dereference
References
-
github.com
/Icinga/icinga2/pull/6104
third-party-advisory
Sources
- CVE List CVE-2018-6534
- NVD CVE-2018-6534
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.