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3 vulnerabilities found for libXfont2 by X.Org

CVE-2026-56003 (GCVE-0-2026-56003)
Vulnerability from cvelistv5
Published
2026-07-08 09:25
Modified
2026-07-09 03:55
CWE
  • CWE-122 - Heap-based buffer overflow
Summary
A heap buffer overflow due to missing size checking in the property buffer when parsing PCF files in libXfont2 ComputeScaledProperties() before libXfont2 before 2.0.8 could be used by attackers using authenticated X clients to execute code within the X server.
Impacted products
Vendor Product Version
X.Org libXfont2 Version: 0   < 2.0.8
Create a notification for this product.
Show details on NVD website


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CVE-2026-56002 (GCVE-0-2026-56002)
Vulnerability from cvelistv5
Published
2026-07-08 09:12
Modified
2026-07-09 03:55
CWE
  • CWE-122 - Heap-based buffer overflow
Summary
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.
Impacted products
Vendor Product Version
X.Org libXfont2 Version: 0   < 2.0.8
Create a notification for this product.
Show details on NVD website


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CVE-2026-56001 (GCVE-0-2026-56001)
Vulnerability from cvelistv5
Published
2026-07-08 08:49
Modified
2026-07-09 03:55
CWE
  • CWE-122 - Heap-based buffer overflow
Summary
A heap buffer overflow in BitmapScaleBitmaps in libXfont2 before 2.0.8 due to an overflowing 32bit size could be used by attackers able to access the X Server to execute code within the X server cont
Impacted products
Vendor Product Version
X.Org libXfont2 Version: 0   < 2.0.8
Create a notification for this product.
Show details on NVD website


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