# CentOS 6.6 gmp is latest; warning still there **URL:** \ **Category:** Ansible Project\ **Created:** [February 9, 2015, 3:34pm UTC](https://forum.ansible.com/t/centos-6-6-gmp-is-latest-warning-still-there/17475 "2015-02-09T15:34:58Z")\ **Posts on this page:** 6\ **Page:** 1
**Author:** ![Chris\_Short](https://avatars.discourse-cdn.com/v4/letter/c/ac8455/32.png) [@Chris\_Short](https://forum.ansible.com/u/Chris_Short)\ **Post date:** [February 9, 2015, 3:34pm UTC](https://forum.ansible.com/t/centos-6-6-gmp-is-latest-warning-still-there/17475/1 "2015-02-09T15:34:58Z")
I just built a clean CentOS 6.6 server and have ansible installed. All packages are up to date and I’m still seeing this error: [WARNING]: The version of gmp you have installed has a known issue regarding timing vulnerabilities when used with pycrypto. If possible, you should update it (i.e. yum update gmp). I believe I have seen this discussed elsewhere but is there a solid resolution for this? ---
**Author:** ![James\_Cammarata](https://avatars.discourse-cdn.com/v4/letter/j/7c8e57/32.png) [@James\_Cammarata](https://forum.ansible.com/u/James_Cammarata)\ **Post date:** [February 10, 2015, 4:28am UTC](https://forum.ansible.com/t/centos-6-6-gmp-is-latest-warning-still-there/17475/2 "2015-02-10T04:28:25Z")
Hi Chris, you can disable this warning in your ansible.cfg file (system\_warnings=no). ---
**Author:** ![Giovanni\_Tirloni](https://avatars.discourse-cdn.com/v4/letter/g/71c47a/32.png) [@Giovanni\_Tirloni](https://forum.ansible.com/u/Giovanni_Tirloni)\ **Post date:** [February 13, 2015, 11:00am UTC](https://forum.ansible.com/t/centos-6-6-gmp-is-latest-warning-still-there/17475/3 "2015-02-13T11:00:55Z")
Relevant discussion: [https://github.com/ansible/ansible/issues/6941](https://github.com/ansible/ansible/issues/6941) [https://bugzilla.redhat.com/show\_bug.cgi?id=1103566](https://bugzilla.redhat.com/show_bug.cgi?id=1103566) Giovanni ---
**Author:** ![Toshio\_Kuratomi](https://avatars.discourse-cdn.com/v4/letter/t/41988e/32.png) [@Toshio\_Kuratomi](https://forum.ansible.com/u/Toshio_Kuratomi)\ **Post date:** [February 13, 2015, 10:46pm UTC](https://forum.ansible.com/t/centos-6-6-gmp-is-latest-warning-still-there/17475/4 "2015-02-13T22:46:13Z")
I reanalyzed the bug today and working with the EPEL maintainer, submitted an updated python-crypto2.6 package: [https://admin.fedoraproject.org/updates/python-crypto2.6-2.6.1-2.el6](https://admin.fedoraproject.org/updates/python-crypto2.6-2.6.1-2.el6) It's not ideal as it disables the C extension in order to make the code more secure but i don't think that will be too bad for ansible's usage. This is only used for vault and vault typically isn't doing enough encryption and decryption for the speed difference to matter. -toshio ---
**Author:** ![Chris\_Short](https://avatars.discourse-cdn.com/v4/letter/c/ac8455/32.png) [@Chris\_Short](https://forum.ansible.com/u/Chris_Short)\ **Post date:** [February 13, 2015, 11:36pm UTC](https://forum.ansible.com/t/centos-6-6-gmp-is-latest-warning-still-there/17475/5 "2015-02-13T23:36:35Z")
Awesome! Thank you. ---
**Author:** ![Vikas\_Kumar](https://avatars.discourse-cdn.com/v4/letter/v/ecb155/32.png) [@Vikas\_Kumar](https://forum.ansible.com/u/Vikas_Kumar)\ **Post date:** [October 24, 2015, 6:29am UTC](https://forum.ansible.com/t/centos-6-6-gmp-is-latest-warning-still-there/17475/6 "2015-10-24T06:29:47Z")
I confirm this works on CentOS 6.3, one has to enable epel repo though. **Warning** ` # ansible-playbook --version [WARNING]: The version of gmp you have installed has a known issue regarding timing vulnerabilities when used with pycrypto. If possible, you should update it (i.e. yum update gmp). ansible-playbook 1.9.2 configured module search path = /opt/ansible/modules