Threats Tagged 'cve-2026-50256'
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Threats Tagged 'cve-2026-50256'
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CVE-2026-50256: Stack-based Buffer Overflow in Red Hat Red Hat Enterprise Linux 10CVE-2026-50256 0 A stack-based buffer overflow flaw was found in the X.Org X server and Xwayland. A mismatch between the X server and the libXfont2 library's maximum font name length can cause a stack buffer overflow during font alias resolution. The server allocates a 256 byte stack buffer but libXfont2's alias target name length is 1024 bytes. A font alias name between 257 and 1023 bytes causes the X server to copy that name into the undersized stack buffer without further checks. This may be used to crash the server, or for privilege escalation if the X server runs as root. Join the discussion | CVE Database V5 | 06/05/2026, 10:31:22 UTC Added: 06/05/2026, 11:48:40 UTC |
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