CVE-2018-6917 json
In FreeBSD before 11.1-STABLE, 11.1-RELEASE-p9, 10.4-STABLE, 10.4-RELEASE-p8 and 10.3-RELEASE-p28, insufficient validation of user-provided…
published 2018-04-04 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-18661
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.0%
- EPSS 2.0% chance of exploitation in 30 days, percentile 80%
- public exploits
- 0
- none known
Summary
In FreeBSD before 11.1-STABLE, 11.1-RELEASE-p9, 10.4-STABLE, 10.4-RELEASE-p8 and 10.3-RELEASE-p28, insufficient validation of user-provided font parameters can result in an integer overflow, leading to the use of arbitrary kernel memory as glyph data. Unprivileged users may be able to access privileged kernel data.
Patch / fix
- freebsd freebsd 10.4, 11.1
Exploit prediction
1.96% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Affected products
- FreeBSD FreeBSD
Classification
- Weakness
-
- CWE-190 Integer Overflow or Wraparound
References
-
security.freebsd.org
/advisories/FreeBSD-SA-18:04.vt.asc
vendor-advisory
-
securityfocus.com
/bid/103668
vdb-entry, third-party-advisory
-
securitytracker.com
/id/1040629
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2018-6917
- NVD CVE-2018-6917
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.