High severity7.5NVD Advisory· Published Apr 4, 2018· Updated Jun 17, 2026

CVE-2018-6917

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

FreeBSD/FreeBSDllm-fuzzy2 versions
11.1-RELEASE < 11.1-RELEASE-p9; 10.4-RELEASE < 10.4-RELEASE-p8; 10.3-RELEASE < 10.3-RELEASE-p28+ 1 more
- (no CPE)range: 11.1-RELEASE < 11.1-RELEASE-p9; 10.4-RELEASE < 10.4-RELEASE-p8; 10.3-RELEASE < 10.3-RELEASE-p28
- (no CPE)range: All supported versions of FreeBSD.

Patches

Vulnerability mechanics

References

www.securityfocus.com/bid/103668nvdThird Party AdvisoryVDB Entry
www.securitytracker.com/id/1040629nvdThird Party AdvisoryVDB Entry
security.freebsd.org/advisories/FreeBSD-SA-18:04.vt.ascnvdVendor Advisory

News mentions

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