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authorSiddhesh Poyarekar <siddhesh@sourceware.org>2023-09-26 07:38:07 -0400
committerSiddhesh Poyarekar <siddhesh@sourceware.org>2023-09-26 10:15:46 -0400
commitf6445dc94da185b3d1ee283f0ca0a34c4e1986cc (patch)
tree0b5813a748f3ac57081ad472098ba87eac6ab9f6 /NEWS
parent5ee59ca371b99984232d7584fe2b1a758b4421d3 (diff)
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Document CVE-2023-4806 and CVE-2023-5156 in NEWS
These are tracked in BZ #30884 and BZ #30843.

Signed-off-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
(cherry picked from commit fd134feba35fa839018965733b34d28a09a075dd)
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@@ -15,6 +15,15 @@ Security related changes:
   2048 bytes, getaddrinfo may potentially disclose stack contents via
   the returned address data, or crash.
 
+  CVE-2023-4806: When an NSS plugin only implements the
+  _gethostbyname2_r and _getcanonname_r callbacks, getaddrinfo could use
+  memory that was freed during buffer resizing, potentially causing a
+  crash or read or write to arbitrary memory.
+
+  CVE-2023-5156: The fix for CVE-2023-4806 introduced a memory leak when
+  an application calls getaddrinfo for AF_INET6 with AI_CANONNAME,
+  AI_ALL and AI_V4MAPPED flags set.
+
 The following bugs are resolved with this release:
 
   [30723] posix_memalign repeatedly scans long bin lists