LibWeb: Prevent OOB access in HTMLEncodingDetection for input of '</'

Previously, this never checked if `position + 2` was valid. This slightly reorders the loop so all indices are checked. Fixes #22163
Author: https://github.com/MacDue Commit: 5e973fca0b Pull-request: https://github.com/SerenityOS/serenity/pull/22579 Issue: https://github.com/SerenityOS/serenity/issues/22163
2025-09-02 07:37:03 +00:00 · 2024-01-04 11:22:20 +00:00 · 2024-01-04 11:22:20 +00:00 · 5e973fca0b · 2024-07-16 23:38:54 +09:00
commit 5e973fca0b
parent 3f52d6045a
3 changed files with 17 additions and 4 deletions
--- a/Tests/LibWeb/Layout/input/incomplete-input-no-newline-at-eof-should-not-crash.html
+++ b/Tests/LibWeb/Layout/input/incomplete-input-no-newline-at-eof-should-not-crash.html
@ -0,0 +1 @@
+</