Security readout for executives and security teams
This flaw affects X.Org libXfont’s handling of BDF font files. A remote authenticated user could provide a crafted font that crashes the affected component and may allow arbitrary code execution. The sources do not provide CVSS scoring, active exploitation evidence, or broad product impact beyond vulnerable libXfont versions. Likely exposure is legacy Linux or Unix systems carrying vulnerable X.Org libXfont packages, especially where authenticated users or services can submit or load BDF font files. The bundle lists multiple distribution advisories, but does not enumerate all affected operating system versions. Treat this as a high-priority legacy platform patching issue where X.Org font components remain installed. The strongest business concern is service disruption, with possible code execution noted but not proven by the bundle. Prioritize internet-adjacent, multi-user, and shared workstation environments. Mitigation focus: Upgrade libXfont to 1.4.9, 1.5.1, or the vendor-fixed package.; Apply relevant Linux distribution security advisories for affected systems.; Restrict untrusted or unnecessary BDF font loading paths..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2015-1804 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- GLSA-201507-21CVE reference · vendor-advisory, x_refsource_GENTOO
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
