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[Bug network/19830] nss_dns: should check RDATA length against buffer length
- From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sourceware dot org
- Date: Sat, 12 Nov 2016 06:41:11 +0000
- Subject: [Bug network/19830] nss_dns: should check RDATA length against buffer length
- Auto-submitted: auto-generated
- References: <bug-19830-131@http.sourceware.org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=19830
--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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The branch, gentoo/2.23 has been updated
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5a7f88f0858b67a00c631850a71d7c320ca773ab
commit 5a7f88f0858b67a00c631850a71d7c320ca773ab
Author: Florian Weimer <fweimer@redhat.com>
Date: Wed Apr 27 15:11:41 2016 +0200
nss_dns: Validate RDATA length against packet length [BZ #19830]
In _nss_dns_getcanonname_r, a check for the availability of RR metadata
was missing as well.
(cherry picked from commit f749498fa53df9ead81e291cd9378d67483c2452)
(cherry picked from commit f233c608d11434aa4a802ded6acdcac1f092729f)
-----------------------------------------------------------------------
Summary of changes:
resolv/nss_dns/dns-canon.c | 16 +++++++++++++---
resolv/nss_dns/dns-host.c | 15 +++++++++++++++
2 files changed, 28 insertions(+), 3 deletions(-)
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