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-rw-r--r--doc/doc-txt/ChangeLog3
-rw-r--r--src/src/parse.c5
2 files changed, 8 insertions, 0 deletions
diff --git a/doc/doc-txt/ChangeLog b/doc/doc-txt/ChangeLog
index c8b295b6e..0c7a8ad52 100644
--- a/doc/doc-txt/ChangeLog
+++ b/doc/doc-txt/ChangeLog
@@ -184,6 +184,9 @@ PP/05 Fix security issue CVE-2020-PFPSN and guard against cmdline invoker
providing a particularly obnoxious sender full name.
Reported by Qualys.
+pp/06 Fix CVE-2020-28016 (PFPZA): Heap out-of-bounds write in parse_fix_phrase()
+
+
Exim version 4.94
-----------------
diff --git a/src/src/parse.c b/src/src/parse.c
index ba5489ba9..c50c8156d 100644
--- a/src/src/parse.c
+++ b/src/src/parse.c
@@ -979,6 +979,11 @@ if (i < len)
/* No non-printers; use the RFC 822 quoting rules */
+if (!len)
+ {
+ return string_copy_taint_function("", is_tainted(phrase));
+ }
+
buffer = store_get(len*4, is_tainted(phrase));
s = phrase;