[Bug 1585614] Re: libc on 2016-05-25 causes Apache not to restart, libm.so.6: symbol __strtold_nan, version GLIBC_PRIVATE not defined in file libc.so.6 with link time reference

[Launchpad Bug Tracker]

This bug was fixed in the package glibc - 2.21-0ubuntu4.3

---------------
glibc (2.21-0ubuntu4.3) wily-security; urgency=medium

  * REGRESSION UPDATE: revert CVE-2014-9761 fix due to added symbol
    dependency from libm to libc (LP: #1585614)
    - debian/patches/any/CVE-2014-9761-2.diff: keep exporting
      __strto*_nan symbols added to libc.

 -- Steve Beattie <sbeattie at ubuntu.com>  Thu, 26 May 2016 01:28:23 -0700

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https://bugs.launchpad.net/bugs/1585614

Title:
  libc on 2016-05-25 causes Apache not to restart, libm.so.6: symbol
  __strtold_nan, version GLIBC_PRIVATE not defined in file libc.so.6
  with link time reference

Status in eglibc package in Ubuntu:
  Fix Released
Status in glibc package in Ubuntu:
  Fix Released

Bug description:
  This morning I applied the following updates to Ubuntu 12.04
  webservers:

  The following packages are currently pending an upgrade:

   apt 0.8.16~exp12ubuntu10.27
   apt-transport-https 0.8.16~exp12ubuntu10.27
   apt-utils 0.8.16~exp12ubuntu10.27
   libapache2-mod-php5 5.3.10-1ubuntu3.23
   libapt-inst1.4 0.8.16~exp12ubuntu10.27
   libapt-pkg4.12 0.8.16~exp12ubuntu10.27
   php5-cli 5.3.10-1ubuntu3.23
   php5-common 5.3.10-1ubuntu3.23
   php5-curl 5.3.10-1ubuntu3.23
   php5-dev 5.3.10-1ubuntu3.23
   php5-gd 5.3.10-1ubuntu3.23
   php5-mysql 5.3.10-1ubuntu3.23
   php-pear 5.3.10-1ubuntu3.23

  Apache fails to restart, siting error:

  apache2: Syntax error on line 212 of /etc/apache2/apache2.conf: Syntax
  error on line 1 of /etc/apache2/mods-enabled/php5.load: Cannot load
  /usr/lib/apache2/modules/libphp5.so into server: /lib/x86_64-linux-
  gnu/libm.so.6: symbol __strtold_nan, version GLIBC_PRIVATE not defined
  in file libc.so.6 with link time reference

  Into file /var/log/apache2/error.log

  Looks like I am trying to roll back all those php packages... Which I
  see several updates marked Security Update in the changelogs, thus
  checking the "security vulnerability" box as rolling back in this case
  is such. :-(

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