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-rw-r--r--Misc/NEWS9
1 files changed, 9 insertions, 0 deletions
diff --git a/Misc/NEWS b/Misc/NEWS
index 88b1e3e..f8833aa 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -368,6 +368,15 @@ Extension Modules
Library
-------
+- [Security] bpo-30694: Upgrade expat copy from 2.2.0 to 2.2.1 to get fixes
+ of multiple security vulnerabilities including: CVE-2017-9233 (External
+ entity infinite loop DoS), CVE-2016-9063 (Integer overflow, re-fix),
+ CVE-2016-0718 (Fix regression bugs from 2.2.0's fix to CVE-2016-0718)
+ and CVE-2012-0876 (Counter hash flooding with SipHash).
+ Note: the CVE-2016-5300 (Use os-specific entropy sources like getrandom)
+ doesn't impact Python, since Python already gets entropy from the OS to set
+ the expat secret using ``XML_SetHashSalt()``.
+
- bpo-29755: Fixed the lgettext() family of functions in the gettext module.
They now always return bytes.