/ 
Tk-804.036
/ Tk_DrawFocusHighlight
Security Advisories (3)
CVE-2007-4772 (2008-01-09)

The regular expression parser in TCL before 8.4.17, as used in PostgreSQL 8.2 before 8.2.6, 8.1 before 8.1.11, 8.0 before 8.0.15, and 7.4 before 7.4.19, allows context-dependent attackers to cause a denial of service (infinite loop) via a crafted regular expression.

CVE-2007-6067 (2008-01-09)

Algorithmic complexity vulnerability in the regular expression parser in TCL before 8.4.17, as used in PostgreSQL 8.2 before 8.2.6, 8.1 before 8.1.11, 8.0 before 8.0.15, and 7.4 before 7.4.19, allows remote authenticated users to cause a denial of service (memory consumption) via a crafted "complex" regular expression with doubly-nested states.

CVE-2017-12652 (2019-07-10)

libpng before 1.6.32 does not properly check the length of chunks against the user limit.

NAME

Tk_DrawFocusHighlight - draw the traversal highlight ring for a widget

SYNOPSIS

#include <tk.h>

Tk_GetPixels(tkwin, gc, width, drawable)

ARGUMENTS

Tk_Window tkwin (in)

Window for which the highlight is being drawn. Used to retrieve the window's dimensions, among other things.

GC gc (in)

Graphics context to use for drawing the highlight.

int width (in)

Width of the highlight ring, in pixels.

Drawable drawable (in)

Drawable in which to draw the highlight; usually an offscreen pixmap for double buffering.

DESCRIPTION

Tk_DrawFocusHighlight is a utility procedure that draws the traversal highlight ring for a widget. It is typically invoked by widgets during redisplay.

KEYWORDS

focus, traversal highlight