Graphic Fonts: Heap-based buffer overflow (CVE-2026-119969)
A heap-based buffer overflow in Graphic Fonts allows a remote, unauthorized attacker to achieve remote code execution via network-based exploitation.
CVE search metadata
CVE search record: CVE-2026-119969. Severity: high. CVSS: 8.8. KEV: no. Product: Graphic Fonts. Brief: Graphic Fonts: Heap-based buffer overflow (CVE-2026-119969). Brief link: https://feed.craftedsignal.io/briefs/2026-11-graphic-fonts-overflow/
Triage facts
Revision 1- Applicability
- Graphic Fonts
- Evidence
- Unknown
- Severity
- High
- Action
- Elevated
- Sources
- 1 public source
- Freshness
- Revision 1Nov 11, 02:15 UTC
- Vulnerabilities
- 1 CVE
- Source quality
- A2Roughly even chance
CVE-2026-119969 is a heap-based buffer overflow vulnerability residing in the Graphic Fonts component. The vulnerability permits an unauthenticated, remote attacker to execute arbitrary code over the network. Technical details regarding the specific network protocols or input vectors utilized for exploitation remain undisclosed in the current advisory.
Impact
Successful exploitation allows for remote code execution, granting the attacker the privileges of the underlying service or application processing the malicious font data.
Recommendation
- Identify systems utilizing the Graphic Fonts component within your environment.
- Monitor network traffic for anomalous inbound connections or malformed protocol traffic directed toward services that handle font rendering or graphical processing.
- Review vendor release notes for patches addressing CVE-2026-119969 and apply updates on a priority basis once available.
Immediate actions
Inventory applications and services that integrate or leverage Graphic Fonts.
Threat Hunt
Identify network-facing services or applications that load or process external font files.
Data: Application dependency logs, Network traffic logs
Mitigations
Apply security patches or vendor-provided updates for Graphic Fonts as soon as they become available.
CVE-2026-119969