From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 2206) id 4915238618AB; Tue, 26 Sep 2023 22:54:01 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 4915238618AB DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1695768841; bh=+8ARZjAQvwRQDYmwLjH09ER7j3MybnnamDAvQXLZJyo=; h=From:To:Subject:Date:From; b=k9nSeP07bCcHF98EgbAAcuhPT4ycjg8PZpCMHxRVp1XlqL7MPI9scS89tSW/mKbTn PbSMY5O0hFvXXOu0aGoNFHepM8OtV9NEtl+fAZt1J9PoeuGFqEAOCyPQTM4PlCLI5D XkZGpZnNvlRJuoQwM5+3PKuW5C1tor8tdw5FyjUQ= Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: Siddhesh Poyarekar To: glibc-cvs@sourceware.org Subject: [glibc/release/2.36/master] Document CVE-2023-4806 and CVE-2023-5156 in NEWS X-Act-Checkin: glibc X-Git-Author: Siddhesh Poyarekar X-Git-Refname: refs/heads/release/2.36/master X-Git-Oldrev: 856bac55f98dc840e7c27cfa82262b933385de90 X-Git-Newrev: 32957eb6a86acdbeec9f38a60a7d5a0ff32db03d Message-Id: <20230926225401.4915238618AB@sourceware.org> Date: Tue, 26 Sep 2023 22:54:01 +0000 (GMT) List-Id: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=32957eb6a86acdbeec9f38a60a7d5a0ff32db03d commit 32957eb6a86acdbeec9f38a60a7d5a0ff32db03d Author: Siddhesh Poyarekar Date: Tue Sep 26 07:38:07 2023 -0400 Document CVE-2023-4806 and CVE-2023-5156 in NEWS These are tracked in BZ #30884 and BZ #30843. Signed-off-by: Siddhesh Poyarekar (cherry picked from commit fd134feba35fa839018965733b34d28a09a075dd) Diff: --- NEWS | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/NEWS b/NEWS index 8923c70820..ae55ffb53a 100644 --- a/NEWS +++ b/NEWS @@ -27,6 +27,15 @@ 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: [12154] Do not fail DNS resolution for CNAMEs which are not host names