An update of the glibc package has been released.

This update for glibc fixes the following issues :

Security issues fixed :

  - CVE-2017-8804: Fix memory leak after deserialization     failure in xdr_bytes, xdr_string (bsc#1037930)

  - CVE-2017-12132: Reduce EDNS payload size to 1200 bytes     (bsc#1051791)

  - CVE-2018-6485,CVE-2018-6551: Fix integer overflows in     internal memalign and malloc functions (bsc#1079036)

  - CVE-2018-1000001: Avoid underflow of malloced area     (bsc#1074293)

Non security bugs fixed :

  - Release read lock after resetting timeout (bsc#1073990)

This update was imported from the SUSE:SLE-12-SP2:Update update project.

This update for glibc fixes the following issues: Security issues fixed :

  - CVE-2017-8804: Fix memory leak after deserialization     failure in xdr_bytes, xdr_string (bsc#1037930)

  - CVE-2017-12132: Reduce EDNS payload size to 1200 bytes     (bsc#1051791)

  - CVE-2018-6485,CVE-2018-6551: Fix integer overflows in     internal memalign and malloc functions (bsc#1079036)

  - CVE-2018-1000001: Avoid underflow of malloced area     (bsc#1074293) Non security bugs fixed :

  - Release read lock after resetting timeout (bsc#1073990)

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This update fixes two minor security vulnerabilities in `malloc` (CVE-2018-6485, CVE-2018-6551, RHBZ#1542102, RHBZ#1542119), and provides a C++ version of `iseqsig`.

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Integer overflow in malloc functions :

The malloc implementation in the GNU C Library (aka glibc or libc6), from version 2.24 to 2.26 on powerpc, and only in version 2.26 on i386, did not properly handle malloc calls with arguments close to SIZE_MAX and could return a pointer to a heap region that is smaller than requested, eventually leading to heap corruption. (CVE-2018-6551)

Integer overflow in posix_memalign in memalign functions :

An integer overflow in the implementation of the posix_memalign in memalign functions in the GNU C Library (aka glibc or libc6) 2.26 and earlier could cause these functions to return a pointer to a heap area that is too small, potentially leading to heap corruption.
(CVE-2018-6485)

This update for glibc fixes the following issues: Security issues :

  - CVE-2017-8804: Fix memory leak after deserialization     failure in xdr_bytes, xdr_string (bsc#1037930)

  - CVE-2017-12132: Reduce EDNS payload size to 1200 bytes     (bsc#1051791)

  - CVE-2018-6485,CVE-2018-6551: Fix integer overflows in     internal memalign and malloc functions (bsc#1079036)

  - CVE-2018-1000001: Avoid underflow of malloced area in     realpath (bsc#1074293) Also a non security issue was     fixed :

  - Do not fail if one of the two responses to AF_UNSPEC     fails (bsc#978209)

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote host is affected by the vulnerability described in GLSA-201804-02 (glibc: Multiple vulnerabilities)

    Multiple vulnerabilities have been discovered in glibc. Please review       the CVE identifiers referenced below for details.
  Impact :

    An attacker could possibly execute arbitrary code, escalate privileges,       cause a Denial of Service condition, or have other unspecified impacts.
  Workaround :

    There is no known workaround at this time.

ID	Name	Product	Family	Published	Updated	Severity
121812	Photon OS 1.0: Glibc PHSA-2018-1.0-0111	Nessus	PhotonOS Local Security Checks	2/7/2019	4/2/2019	critical
106916	openSUSE Security Update : glibc (openSUSE-2018-184)	Nessus	SuSE Local Security Checks	2/21/2018	1/19/2021	critical
106865	SUSE SLED12 / SLES12 Security Update : glibc (SUSE-SU-2018:0451-1)	Nessus	SuSE Local Security Checks	2/16/2018	1/13/2021	critical
121924	Photon OS 2.0: Glibc PHSA-2018-2.0-0020	Nessus	PhotonOS Local Security Checks	2/7/2019	7/22/2024	critical
107158	Fedora 27 : glibc (2018-1cbdc8cbb8)	Nessus	Fedora Local Security Checks	3/7/2018	1/6/2021	critical
109141	Amazon Linux 2 : glibc (ALAS-2018-992)	Nessus	Amazon Linux Local Security Checks	4/18/2018	10/30/2024	critical
107086	SUSE SLES11 Security Update : glibc (SUSE-SU-2018:0565-1)	Nessus	SuSE Local Security Checks	3/1/2018	1/19/2021	critical
108822	GLSA-201804-02 : glibc: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	4/4/2018	11/21/2024	critical

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