diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4eed8a25..bc4c841c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,9 @@
 
 ## Unreleased
 
+**Fixes**
+- symbolic-cfi: Skip invalid FDEs when converting DWARF to Breakpad CFI ([#868](https://github.com/getsentry/symbolic/pull/868))
+
 **Internal**:
 
 - Removed `dmsort` dependency and replaced uses with stable std sorts. ([#869](https://github.com/getsentry/symbolic/pull/869))
diff --git a/symbolic-cfi/src/lib.rs b/symbolic-cfi/src/lib.rs
index faf64097..7bc69b7a 100644
--- a/symbolic-cfi/src/lib.rs
+++ b/symbolic-cfi/src/lib.rs
@@ -717,6 +717,15 @@ impl<W: Write> AsciiCfiWriter<W> {
         R: Reader + Eq,
         U: UnwindSection<R>,
     {
+        // We have seen FDEs with an initial address of `u64::MAX` in user-provided
+        // DWARF files. Such FDEs will invariably fail to process because of either
+        // an address overflow error in `gimli` or an underflow in the `length`
+        // calculation below. Therefore, we skip them immediately so we don't abort
+        // the processing of the entire file.
+        if fde.initial_address() == u64::MAX {
+            return Ok(());
+        }
+
         // Retrieves the register that specifies the return address. We need to assign a special
         // format to this register for Breakpad.
         let ra = fde.cie().return_address_register();