Security readout for executives and security teams
CVE-2013-1991 is a memory-safety flaw in X.org libXxf86dga 1.1.3 and earlier. A malicious or compromised X server could make a connected client allocate too little memory and overflow a buffer. Business risk is concentrated in older X11 desktop or workstation environments, not typical web services. Exposure is likely limited to systems with X.org libXxf86dga 1.1.3 or earlier, especially clients connecting to untrusted or compromised X servers. Modern systems may already have vendor updates, but legacy desktops, remote X11 use, and old appliances need confirmation. Treat this as a legacy X11 exposure cleanup item. It is not marked as actively exploited in the supplied sources, but affected systems could face memory-corruption risk when interacting with malicious or compromised X servers. Mitigation focus: Apply vendor updates from Debian, Ubuntu, Fedora, or the relevant OS vendor.; Inventory systems for libXxf86dga 1.1.3 or earlier.; Avoid connecting sensitive clients to untrusted 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-2013-1991 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
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
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.
