blob: 20f9d89ed866ec9154b00eed90ea04407b87f49a [file] [log] [blame]
Andrew Geissler6aa7eec2023-03-03 12:41:14 -06001CVE: CVE-2022-46663
2Upstream-Status: Backport
3Signed-off-by: Ross Burton <ross.burton@arm.com>
4
5From a78e1351113cef564d790a730d657a321624d79c Mon Sep 17 00:00:00 2001
6From: Mark Nudelman <markn@greenwoodsoftware.com>
7Date: Fri, 7 Oct 2022 19:25:46 -0700
8Subject: [PATCH] End OSC8 hyperlink on invalid embedded escape sequence.
9
10---
11 line.c | 4 ++--
12 1 file changed, 2 insertions(+), 2 deletions(-)
13
14diff --git a/line.c b/line.c
15index 236c49ae..cba7bdd1 100644
16--- a/line.c
17+++ b/line.c
18@@ -633,8 +633,8 @@ ansi_step(pansi, ch)
19 /* Hyperlink ends with \7 or ESC-backslash. */
20 if (ch == '\7')
21 return ANSI_END;
22- if (pansi->prev_esc && ch == '\\')
23- return ANSI_END;
24+ if (pansi->prev_esc)
25+ return (ch == '\\') ? ANSI_END : ANSI_ERR;
26 pansi->prev_esc = (ch == ESC);
27 return ANSI_MID;
28 }