From 6883a9c80752a1549674ffa0c88dea9b517d7e51 Mon Sep 17 00:00:00 2001
From: m-holger <m.holger@qpdf.org>
Date: Thu, 6 Feb 2025 19:57:30 +0000
Subject: [PATCH] In Pl_RunLength apply memory limit before and after decoding

---
 libqpdf/Pl_RunLength.cc | 3 +++
 1 file changed, 3 insertions(+), 0 deletions(-)

diff --git a/libqpdf/Pl_RunLength.cc b/libqpdf/Pl_RunLength.cc
index 0608025..963dbd9 100644
--- a/libqpdf/Pl_RunLength.cc
+++ b/libqpdf/Pl_RunLength.cc
@@ -156,6 +156,9 @@ Pl_RunLength::finish()
         unsigned char ch = 128;
         next()->write(&ch, 1);
     } else {
+        if (memory_limit && (m->out.size()) > memory_limit) {
+            throw std::runtime_error("Pl_RunLength memory limit exceeded");
+        }
         next()->writeString(m->out);
     }
     next()->finish();
--
libgit2 0.21.4