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GNU C Library master sources branch master updated. glibc-2.26.9000-936-g37ac8e6

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- Log -----------------------------------------------------------------;a=commitdiff;h=37ac8e635a29810318f6d79902102e2e96b2b5bf

commit 37ac8e635a29810318f6d79902102e2e96b2b5bf
Author: Florian Weimer <>
Date:   Wed Dec 6 07:39:25 2017 +0100

    Add references to CVE-2017-17426

diff --git a/ChangeLog b/ChangeLog
index ab41d9d..6b752ac 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1164,6 +1164,7 @@
 2017-11-30  Arjun Shankar  <>
 	[BZ #22375]
+	CVE-2017-17426
 	* malloc/malloc.c (__libc_malloc): Use checked_request2size
 	instead of request2size.
diff --git a/NEWS b/NEWS
index dc5fe32..faa60ab 100644
--- a/NEWS
+++ b/NEWS
@@ -112,6 +112,11 @@ Security related changes:
   without GLOB_NOESCAPE, could write past the end of a buffer while
   unescaping user names.  Reported by Tim Rühsen.
+  CVE-2017-17426: The malloc function, when called with an object size near
+  the value SIZE_MAX, would return a pointer to a buffer which is too small,
+  instead of NULL.  This was a regression introduced with the new malloc
+  thread cache in glibc 2.26.  Reported by Iain Buclaw.
 The following bugs are resolved with this release:
   [The release manager will add the list generated by


Summary of changes:
 ChangeLog |    1 +
 NEWS      |    5 +++++
 2 files changed, 6 insertions(+), 0 deletions(-)

GNU C Library master sources

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