Security readout for executives and security teams
CVE-2013-1986 is an old memory-safety flaw in X.org libXrandr 1.4.0 and earlier. A malicious or compromised X server could cause connected client software to allocate too little memory and overflow a buffer. Business urgency depends on whether legacy Linux/Unix graphical systems still use affected packages. Exposure is most likely in legacy systems running libXrandr 1.4.0 or earlier, especially graphical Linux/Unix environments that connect to remote, untrusted, or compromised X servers. Modern supported distributions are likely already patched, but long-lived appliances, desktops, thin clients, and embedded GUI stacks should be checked. Treat this as a legacy exposure cleanup item unless affected systems are still in sensitive remote X11 workflows. Prioritize patch verification on supported Linux desktops, engineering workstations, thin clients, and embedded GUI systems. Escalate if any affected host connects to untrusted X servers. Mitigation focus: Inventory systems for libXrandr 1.4.0 or earlier.; Apply vendor security updates from the relevant Linux distribution.; Avoid connecting X clients to untrusted or unexpected X servers..
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
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ATT&CK lookup starting points
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CVE-2013-1986 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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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
Products and packages named in the record
CWE details
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