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CentOS 6 ELS: openssl package with the fix for several CVEs gradual rollout

September 13, 2021 - TuxCare PR Team

A new updated openssl package with the fix for several CVEs within CentOS 6 ELS has been scheduled for gradual rollout from our production repository.


Rollout slot: 3
Rolled out to: 0.1%
ETA for 100% rollout: September 21



  • Fix handling ASN.1 string as NULL terminated leads to read buffer overrun (CVE-2021-3712)
  • Fix excessively large primes in DH key generation (CVE-2018-0732)
  • Fix RSA key generation cache timing vulnerability (CVE-2018-0737)
  • Fix stack overflow parsing recursive ASN.1 structure (CVE-2018-0739)
  • Fix out-of-bounds read (CVE-2017-3735)


yum update openssl*


yum update openssl* --enablerepo=ELS6-rollout-3-bypass


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