diff --git a/README.md b/README.md
index f47ee0969040..d8474868703d 100644
--- a/README.md
+++ b/README.md
@@ -320,6 +320,7 @@ Definite bugs found:
 * [TiKV performing an unaligned pointer access](https://github.com/tikv/tikv/issues/7613)
 * [`servo_arc` creating a dangling shared reference](https://github.com/servo/servo/issues/26357)
 * [TiKV constructing out-of-bounds pointers (and overlapping mutable references)](https://github.com/tikv/tikv/pull/7751)
+* [`encoding_rs` doing out-of-bounds pointer arithmetic](https://github.com/hsivonen/encoding_rs/pull/53)
 
 Violations of [Stacked Borrows] found that are likely bugs (but Stacked Borrows is currently just an experiment):