CVE-2026-56001 | THREATINT

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 Reserved 2026-06-18 | Published 2026-07-08 | Updated 2026-07-09 | Assigner suse

HIGH: 8.5CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Problem types

CWE-122 Heap-based buffer overflow

Product status

Default status

unaffected

Any version before 2.0.8

affected

Credits

Anonymous working with Trend Micro Zero Day Initiative. finder

References

www.openwall.com/lists/oss-security/2026/07/08/1 vendor-advisory

gitlab.freedesktop.org/...e2d354138d3222b4490e2a77c6ee42f778 patch

cve.org (CVE-2026-56001)

nvd.nist.gov (CVE-2026-56001)

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