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›vulnerability›CVE-2026-56001
Name
CVE-2026-56001
Source
NVD ( link)Debian ( link)
Description
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
Published Date
Updated Date
Workaround
-

Analysis#


Vulnerability Ratings#


8.5
CVSSv31
8.8
CVSSv31
NaN
other

Others affected components#


Name
Project
Project Version
Version
Status
buildroot
2025.02.x
2.0.9
Not Affected
buildroot
master
2.0.9
Not Affected
yocto
kirkstone
1.5.4
Not Affected
yocto
kirkstone
2.0.5
Exploitable
yocto
master
2.0.9
Not Affected

Resolved with patches#


libxfont (yocto:scarthgap)

#
Title
Author
Resolve
1
bitscale: fix integer overflow in BitmapScaleBitmaps
Peter Hutterer <peter.hutterer@who-t.net>
CVE-2026-56001

libxfont2 (yocto:scarthgap)

#
Title
Author
Resolve
1
bitscale: fix integer overflow in BitmapScaleBitmaps
Peter Hutterer <peter.hutterer@who-t.net>
CVE-2026-56001