924ca9414f
In GNU Less before 609, crafted data can result in "less -R" not filtering ANSI escape sequences sent to the terminal. Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
28 lines
874 B
Diff
28 lines
874 B
Diff
From a78e1351113cef564d790a730d657a321624d79c Mon Sep 17 00:00:00 2001
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From: Mark Nudelman <markn@greenwoodsoftware.com>
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Date: Fri, 7 Oct 2022 19:25:46 -0700
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Subject: [PATCH] End OSC8 hyperlink on invalid embedded escape sequence.
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[Retrieved from:
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https://github.com/gwsw/less/commit/a78e1351113cef564d790a730d657a321624d79c]
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Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
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---
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line.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/line.c b/line.c
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index 236c49ae..cba7bdd1 100644
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--- a/line.c
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+++ b/line.c
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@@ -633,8 +633,8 @@ ansi_step(pansi, ch)
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/* Hyperlink ends with \7 or ESC-backslash. */
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if (ch == '\7')
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return ANSI_END;
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- if (pansi->prev_esc && ch == '\\')
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- return ANSI_END;
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+ if (pansi->prev_esc)
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+ return (ch == '\\') ? ANSI_END : ANSI_ERR;
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pansi->prev_esc = (ch == ESC);
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return ANSI_MID;
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}
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