Advisory Published

USN-4662-1: OpenSSL vulnerability

First published: Tue Dec 08 2020(Updated: )

David Benjamin discovered that OpenSSL incorrectly handled comparing certificates containing a EDIPartyName name type. A remote attacker could possibly use this issue to cause OpenSSL to crash, resulting in a denial of service.

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/libssl1.1<1.1.1f-1ubuntu4.1
1.1.1f-1ubuntu4.1
Ubuntu Ubuntu=20.10
All of
ubuntu/libssl1.1<1.1.1f-1ubuntu2.1
1.1.1f-1ubuntu2.1
Ubuntu Ubuntu=20.04
All of
ubuntu/libssl1.0.0<1.0.2n-1ubuntu5.5
1.0.2n-1ubuntu5.5
Ubuntu Ubuntu=18.04
All of
ubuntu/libssl1.1<1.1.1-1ubuntu2.1~18.04.7
1.1.1-1ubuntu2.1~18.04.7
Ubuntu Ubuntu=18.04
All of
ubuntu/libssl1.0.0<1.0.2g-1ubuntu4.18
1.0.2g-1ubuntu4.18
Ubuntu Ubuntu=16.04

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