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-rw-r--r--uriloader/prefetch/nsOfflineCacheUpdate.cpp8
1 files changed, 8 insertions, 0 deletions
diff --git a/uriloader/prefetch/nsOfflineCacheUpdate.cpp b/uriloader/prefetch/nsOfflineCacheUpdate.cpp
index 4b6cd4d0c..8a4183429 100644
--- a/uriloader/prefetch/nsOfflineCacheUpdate.cpp
+++ b/uriloader/prefetch/nsOfflineCacheUpdate.cpp
@@ -948,6 +948,14 @@ nsOfflineManifestItem::HandleManifestLine(const nsCString::const_iterator &aBegi
mStrictFileOriginPolicy))
break;
+ // Check fallback path for disallowed encoded path separators
+ nsAutoCString path;
+ fallbackURI->GetFilePath(path);
+ if (path.Find("%2f") != kNotFound || path.Find("%2F") != kNotFound) {
+ LogToConsole("Offline cache manifest bad fallback path", this);
+ break;
+ }
+
mFallbackURIs.AppendObject(fallbackURI);
AddNamespace(nsIApplicationCacheNamespace::NAMESPACE_FALLBACK,