Vulnerability Details CVE-2026-56002
A heap bufferflow in pcfReadFont() due to missing glyph bounds checking in libXfont2 before 2.0.8 allows attackers authenticated as X client to execute code within the X server.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.005
EPSS Ranking 41.0%
CVSS Severity
CVSS v3 Score 8.5
References
Products affected by CVE-2026-56002
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cpe:2.3:a:x:libxfont:1.0.0
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cpe:2.3:a:x:libxfont:1.1.0
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cpe:2.3:a:x:libxfont:1.2.0
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cpe:2.3:a:x:libxfont:1.2.1
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cpe:2.3:a:x:libxfont:1.2.2
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cpe:2.3:a:x:libxfont:1.2.3
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cpe:2.3:a:x:libxfont:1.2.4
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cpe:2.3:a:x:libxfont:1.2.5
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cpe:2.3:a:x:libxfont:1.2.6
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cpe:2.3:a:x:libxfont:1.2.7
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cpe:2.3:a:x:libxfont:1.2.8
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cpe:2.3:a:x:libxfont:1.2.9
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cpe:2.3:a:x:libxfont:1.3.0
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cpe:2.3:a:x:libxfont:1.3.1
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cpe:2.3:a:x:libxfont:1.3.2
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cpe:2.3:a:x:libxfont:1.3.3
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cpe:2.3:a:x:libxfont:1.3.4
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cpe:2.3:a:x:libxfont:1.4.0
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cpe:2.3:a:x:libxfont:1.4.1
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cpe:2.3:a:x:libxfont:1.4.2
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cpe:2.3:a:x:libxfont:1.4.3
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cpe:2.3:a:x:libxfont:1.4.4
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cpe:2.3:a:x:libxfont:1.4.5
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cpe:2.3:a:x:libxfont:1.4.6
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cpe:2.3:a:x:libxfont:1.4.7
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cpe:2.3:a:x:libxfont:1.4.8
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cpe:2.3:a:x:libxfont:1.4.9
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cpe:2.3:a:x:libxfont:1.4.99
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cpe:2.3:a:x:libxfont:1.4.99.901
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cpe:2.3:a:x:libxfont:1.5.0
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cpe:2.3:a:x:libxfont:1.5.1
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cpe:2.3:a:x:libxfont:1.5.2
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cpe:2.3:a:x:libxfont:1.5.3
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cpe:2.3:a:x:libxfont:1.5.4
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cpe:2.3:a:x:libxfont:2.0.0
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cpe:2.3:a:x:libxfont:2.0.1
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cpe:2.3:a:x:libxfont:2.0.2
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cpe:2.3:a:x:libxfont:2.0.3
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cpe:2.3:a:x:libxfont:2.0.4