From 92b7c23b19fc4450f4d4153e0c35d878db00d502 Mon Sep 17 00:00:00 2001
From: Geoff Hutchison <geoff.hutchison@gmail.com>
Date: Sat, 2 Mar 2024 16:44:51 -0500
Subject: [PATCH] Fix crash with short TER record

Fixes #1637

Signed-off-by: Geoff Hutchison <geoff.hutchison@gmail.com>
---
 avogadro/io/pdbformat.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/avogadro/io/pdbformat.cpp b/avogadro/io/pdbformat.cpp
index 190ac45a11..cf7b839e04 100644
--- a/avogadro/io/pdbformat.cpp
+++ b/avogadro/io/pdbformat.cpp
@@ -191,8 +191,9 @@ bool PdbFormat::read(std::istream& in, Core::Molecule& mol)
       }
     }
 
-    else if (startsWith(buffer, "TER")) { //  This is very important, each TER
-                                          //  record also counts in the serial.
+    else if (startsWith(buffer, "TER") &&
+             buffer.length() >= 11) { //  This is very important, each TER
+                                      //  record also counts in the serial.
       // Need to account for that when comparing with CONECT
       terList.push_back(lexicalCast<int>(buffer.substr(6, 5), ok));