Headline
CVE-2022-46663: End OSC8 hyperlink on invalid embedded escape sequence. · gwsw/less@a78e135
In GNU Less before 609, crafted data can result in “less -R” not filtering ANSI escape sequences sent to the terminal.
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End OSC8 hyperlink on invalid embedded escape sequence.
- Loading branch information
gwsw committed
Oct 8, 2022
1 parent dc4fa8c commit a78e1351113cef564d790a730d657a321624d79c
Showing 1 changed file with 2 additions and 2 deletions.
@@ -633,8 +633,8 @@ ansi_step(pansi, ch)
/* Hyperlink ends with \7 or ESC-backslash. */
if (ch == ‘\7’)
return ANSI_END;
if (pansi->prev_esc && ch == ‘\\’)
return ANSI_END;
if (pansi->prev_esc)
return (ch == ‘\\’) ? ANSI_END : ANSI_ERR;
pansi->prev_esc = (ch == ESC);
return ANSI_MID;
}
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