From be713ed1176c4dee2c1e444d41e5a72ab9caf115 Mon Sep 17 00:00:00 2001
From: chriseth <chris@ethereum.org>
Date: Tue, 4 Sep 2018 16:55:45 +0200
Subject: Changelog entry and bug list.

---
 docs/bugs.json            |  7 ++++++
 docs/bugs_by_version.json | 55 +++++++++++++++++++++++++++++++++++++++++------
 2 files changed, 56 insertions(+), 6 deletions(-)

(limited to 'docs')

diff --git a/docs/bugs.json b/docs/bugs.json
index 423c314d..d0704c1f 100644
--- a/docs/bugs.json
+++ b/docs/bugs.json
@@ -7,6 +7,13 @@
 		"fixed": "0.4.25",
 		"severity": "very low"
 	},
+    {
+        "name": "ExpCleanupZero",
+        "summary": "Using exponentiating with types shorter than 256 bits and zero as base can result in unexpected values.",
+        "description": "As defined by the EVM, 0 ** 0 is one. Solidity does not always remove dirty higher order bits of types that are smaller than 256 bits before applying an operation because it does not matter if the cleanup is performed before or after the operation. This is true for EXP except for the case where the base is zero, which was overlooked.",
+        "fixed": "0.4.25",
+        "severity": "high"
+    },
     {
         "name": "OneOfTwoConstructorsSkipped",
         "summary": "If a contract has both a new-style constructor (using the constructor keyword) and an old-style constructor (a function with the same name as the contract) at the same time, one of them will be ignored.",
diff --git a/docs/bugs_by_version.json b/docs/bugs_by_version.json
index 00531b9e..5bd43415 100644
--- a/docs/bugs_by_version.json
+++ b/docs/bugs_by_version.json
@@ -1,6 +1,7 @@
 {
     "0.1.0": {
         "bugs": [
+            "ExpCleanupZero", 
             "ZeroFunctionSelector", 
             "ECRecoverMalformedInput", 
             "SkipEmptyStringLiteral", 
@@ -18,6 +19,7 @@
     }, 
     "0.1.1": {
         "bugs": [
+            "ExpCleanupZero", 
             "ZeroFunctionSelector", 
             "ECRecoverMalformedInput", 
             "SkipEmptyStringLiteral", 
@@ -35,6 +37,7 @@
     }, 
     "0.1.2": {
         "bugs": [
+            "ExpCleanupZero", 
             "ZeroFunctionSelector", 
             "ECRecoverMalformedInput", 
             "SkipEmptyStringLiteral", 
@@ -52,6 +55,7 @@
     }, 
     "0.1.3": {
         "bugs": [
+            "ExpCleanupZero", 
             "ZeroFunctionSelector", 
             "ECRecoverMalformedInput", 
             "SkipEmptyStringLiteral", 
@@ -69,6 +73,7 @@
     }, 
     "0.1.4": {
         "bugs": [
+            "ExpCleanupZero", 
             "ZeroFunctionSelector", 
             "ECRecoverMalformedInput", 
             "SkipEmptyStringLiteral", 
@@ -86,6 +91,7 @@
     }, 
     "0.1.5": {
         "bugs": [
+            "ExpCleanupZero", 
             "ZeroFunctionSelector", 
             "ECRecoverMalformedInput", 
             "SkipEmptyStringLiteral", 
@@ -103,6 +109,7 @@
     }, 
     "0.1.6": {
         "bugs": [
+            "ExpCleanupZero", 
             "ZeroFunctionSelector", 
             "ECRecoverMalformedInput", 
             "SkipEmptyStringLiteral", 
@@ -121,6 +128,7 @@
     }, 
     "0.1.7": {
         "bugs": [
+            "ExpCleanupZero", 
             "ZeroFunctionSelector", 
             "ECRecoverMalformedInput", 
             "SkipEmptyStringLiteral", 
@@ -139,6 +147,7 @@
     }, 
     "0.2.0": {
         "bugs": [
+            "ExpCleanupZero", 
             "ZeroFunctionSelector", 
             "ECRecoverMalformedInput", 
             "SkipEmptyStringLiteral", 
@@ -157,6 +166,7 @@
     }, 
     "0.2.1": {
         "bugs": [
+            "ExpCleanupZero", 
             "ZeroFunctionSelector", 
             "ECRecoverMalformedInput", 
             "SkipEmptyStringLiteral", 
@@ -175,6 +185,7 @@
     }, 
     "0.2.2": {
         "bugs": [
+            "ExpCleanupZero", 
             "ZeroFunctionSelector", 
             "ECRecoverMalformedInput", 
             "SkipEmptyStringLiteral", 
@@ -193,6 +204,7 @@
     }, 
     "0.3.0": {
         "bugs": [
+            "ExpCleanupZero", 
             "ZeroFunctionSelector", 
             "DelegateCallReturnValue", 
             "ECRecoverMalformedInput", 
@@ -211,6 +223,7 @@
     }, 
     "0.3.1": {
         "bugs": [
+            "ExpCleanupZero", 
             "ZeroFunctionSelector", 
             "DelegateCallReturnValue", 
             "ECRecoverMalformedInput", 
@@ -228,6 +241,7 @@
     }, 
     "0.3.2": {
         "bugs": [
+            "ExpCleanupZero", 
             "ZeroFunctionSelector", 
             "DelegateCallReturnValue", 
             "ECRecoverMalformedInput", 
@@ -245,6 +259,7 @@
     }, 
     "0.3.3": {
         "bugs": [
+            "ExpCleanupZero", 
             "ZeroFunctionSelector", 
             "DelegateCallReturnValue", 
             "ECRecoverMalformedInput", 
@@ -261,6 +276,7 @@
     }, 
     "0.3.4": {
         "bugs": [
+            "ExpCleanupZero", 
             "ZeroFunctionSelector", 
             "DelegateCallReturnValue", 
             "ECRecoverMalformedInput", 
@@ -277,6 +293,7 @@
     }, 
     "0.3.5": {
         "bugs": [
+            "ExpCleanupZero", 
             "ZeroFunctionSelector", 
             "DelegateCallReturnValue", 
             "ECRecoverMalformedInput", 
@@ -293,6 +310,7 @@
     }, 
     "0.3.6": {
         "bugs": [
+            "ExpCleanupZero", 
             "ZeroFunctionSelector", 
             "DelegateCallReturnValue", 
             "ECRecoverMalformedInput", 
@@ -307,6 +325,7 @@
     }, 
     "0.4.0": {
         "bugs": [
+            "ExpCleanupZero", 
             "ZeroFunctionSelector", 
             "DelegateCallReturnValue", 
             "ECRecoverMalformedInput", 
@@ -321,6 +340,7 @@
     }, 
     "0.4.1": {
         "bugs": [
+            "ExpCleanupZero", 
             "ZeroFunctionSelector", 
             "DelegateCallReturnValue", 
             "ECRecoverMalformedInput", 
@@ -335,6 +355,7 @@
     }, 
     "0.4.10": {
         "bugs": [
+            "ExpCleanupZero", 
             "ZeroFunctionSelector", 
             "DelegateCallReturnValue", 
             "ECRecoverMalformedInput", 
@@ -345,6 +366,7 @@
     }, 
     "0.4.11": {
         "bugs": [
+            "ExpCleanupZero", 
             "ZeroFunctionSelector", 
             "DelegateCallReturnValue", 
             "ECRecoverMalformedInput", 
@@ -354,6 +376,7 @@
     }, 
     "0.4.12": {
         "bugs": [
+            "ExpCleanupZero", 
             "ZeroFunctionSelector", 
             "DelegateCallReturnValue", 
             "ECRecoverMalformedInput"
@@ -362,6 +385,7 @@
     }, 
     "0.4.13": {
         "bugs": [
+            "ExpCleanupZero", 
             "ZeroFunctionSelector", 
             "DelegateCallReturnValue", 
             "ECRecoverMalformedInput"
@@ -370,6 +394,7 @@
     }, 
     "0.4.14": {
         "bugs": [
+            "ExpCleanupZero", 
             "ZeroFunctionSelector", 
             "DelegateCallReturnValue"
         ], 
@@ -377,12 +402,14 @@
     }, 
     "0.4.15": {
         "bugs": [
+            "ExpCleanupZero", 
             "ZeroFunctionSelector"
         ], 
         "released": "2017-08-08"
     }, 
     "0.4.16": {
         "bugs": [
+            "ExpCleanupZero", 
             "ZeroFunctionSelector"
         ], 
         "released": "2017-08-24"
@@ -390,24 +417,28 @@
     "0.4.17": {
         "bugs": [
             "EventStructWrongData", 
+            "ExpCleanupZero", 
             "ZeroFunctionSelector"
         ], 
         "released": "2017-09-21"
     }, 
     "0.4.18": {
         "bugs": [
-            "EventStructWrongData"
+            "EventStructWrongData", 
+            "ExpCleanupZero"
         ], 
         "released": "2017-10-18"
     }, 
     "0.4.19": {
         "bugs": [
-            "EventStructWrongData"
+            "EventStructWrongData", 
+            "ExpCleanupZero"
         ], 
         "released": "2017-11-30"
     }, 
     "0.4.2": {
         "bugs": [
+            "ExpCleanupZero", 
             "ZeroFunctionSelector", 
             "DelegateCallReturnValue", 
             "ECRecoverMalformedInput", 
@@ -421,37 +452,43 @@
     }, 
     "0.4.20": {
         "bugs": [
-            "EventStructWrongData"
+            "EventStructWrongData", 
+            "ExpCleanupZero"
         ], 
         "released": "2018-02-14"
     }, 
     "0.4.21": {
         "bugs": [
-            "EventStructWrongData"
+            "EventStructWrongData", 
+            "ExpCleanupZero"
         ], 
         "released": "2018-03-07"
     }, 
     "0.4.22": {
         "bugs": [
             "EventStructWrongData", 
+            "ExpCleanupZero", 
             "OneOfTwoConstructorsSkipped"
         ], 
         "released": "2018-04-16"
     }, 
     "0.4.23": {
         "bugs": [
-            "EventStructWrongData"
+            "EventStructWrongData", 
+            "ExpCleanupZero"
         ], 
         "released": "2018-04-19"
     }, 
     "0.4.24": {
         "bugs": [
-            "EventStructWrongData"
+            "EventStructWrongData", 
+            "ExpCleanupZero"
         ], 
         "released": "2018-05-16"
     }, 
     "0.4.3": {
         "bugs": [
+            "ExpCleanupZero", 
             "ZeroFunctionSelector", 
             "DelegateCallReturnValue", 
             "ECRecoverMalformedInput", 
@@ -464,6 +501,7 @@
     }, 
     "0.4.4": {
         "bugs": [
+            "ExpCleanupZero", 
             "ZeroFunctionSelector", 
             "DelegateCallReturnValue", 
             "ECRecoverMalformedInput", 
@@ -475,6 +513,7 @@
     }, 
     "0.4.5": {
         "bugs": [
+            "ExpCleanupZero", 
             "ZeroFunctionSelector", 
             "DelegateCallReturnValue", 
             "ECRecoverMalformedInput", 
@@ -487,6 +526,7 @@
     }, 
     "0.4.6": {
         "bugs": [
+            "ExpCleanupZero", 
             "ZeroFunctionSelector", 
             "DelegateCallReturnValue", 
             "ECRecoverMalformedInput", 
@@ -498,6 +538,7 @@
     }, 
     "0.4.7": {
         "bugs": [
+            "ExpCleanupZero", 
             "ZeroFunctionSelector", 
             "DelegateCallReturnValue", 
             "ECRecoverMalformedInput", 
@@ -508,6 +549,7 @@
     }, 
     "0.4.8": {
         "bugs": [
+            "ExpCleanupZero", 
             "ZeroFunctionSelector", 
             "DelegateCallReturnValue", 
             "ECRecoverMalformedInput", 
@@ -518,6 +560,7 @@
     }, 
     "0.4.9": {
         "bugs": [
+            "ExpCleanupZero", 
             "ZeroFunctionSelector", 
             "DelegateCallReturnValue", 
             "ECRecoverMalformedInput", 
-- 
cgit