LibPDF: Fix bad hex string parsing logic

Author: https://github.com/mattco98 Commit: 544e44eec1 Pull-request: https://github.com/SerenityOS/serenity/pull/12920
2025-07-31 13:19:05 +00:00 · 2022-03-05 22:34:57 -07:00 · 2022-03-05 22:34:57 -07:00 · 544e44eec1 · 2024-07-17 17:50:41 +09:00
commit 544e44eec1
parent 3cfecc3d3b
1 changed files with 3 additions and 1 deletions
--- a/Userland/Libraries/LibPDF/Parser.cpp
+++ b/Userland/Libraries/LibPDF/Parser.cpp
@ -847,8 +847,10 @@ String Parser::parse_hex_string()
                hex_value *= 16;
                if (ch <= '9') {
                    hex_value += ch - '0';
-                } else {
+                } else if (ch >= 'A' && ch <= 'F') {
                    hex_value += ch - 'A' + 10;
+                } else {
+                    hex_value += ch - 'a' + 10;
                }
            }