Ubuntu Security Notices
Developers issue an Ubuntu Security Notice when a security issue is fixed in an official Ubuntu package. You can find additional guidance for high-profile vulnerabilities in the Ubuntu Vulnerability Knowledge Base section.
To report a security vulnerability in an Ubuntu package, please contact the Security Team.
The Security Team also produces OVAL files for each Ubuntu release. These are an industry-standard machine-readable format dataset that contain details of all known security vulnerabilities and fixes relevant to the Ubuntu release, and can be used to determine whether a particular patch is appropriate. OVAL files can also be used to audit a system to check whether the latest security fixes have been applied.
Search USNs
USN ID, name, description or CVE ID contains
1951 - 1960 of 2923 results
17 September 2019
USN-4113-1 introduced a regression in Apache.
- Ubuntu 19.04 ,
- 18.04 LTS,
- 16.04 LTS
16 September 2019
IBus would allow local users to capture key strokes of other locally logged in users.
- Ubuntu 19.04 ,
- 18.04 LTS,
- 16.04 LTS
CVE ID
16 September 2019
Wireshark could be made to crash if it received specially crafted network traffic or input files.
- Ubuntu 19.04 ,
- 18.04 LTS,
- 16.04 LTS
CVE ID
12 September 2019
Expat could be made to expose sensitive information if it received a specially crafted XML file.
- Ubuntu 19.04 ,
- 18.04 LTS,
- 16.04 LTS
CVE ID
11 September 2019
Several security issues were fixed in curl.
- Ubuntu 19.04 ,
- 18.04 LTS,
- 16.04 LTS
CVE ID
11 September 2019
USN 4115-1 introduced a regression in the Linux kernel.
- Ubuntu 18.04 LTS,
- 16.04 LTS
10 September 2019
Several security issues were fixed in Tomcat 8.
- Ubuntu 18.04 LTS,
- 16.04 LTS
CVE ID
9 September 2019
Several security issues were fixed in Python.
- Ubuntu 19.04 ,
- 18.04 LTS,
- 16.04 LTS
CVE ID
CVE-2018-20406, CVE-2018-20852, CVE-2019-10160 + 5 others
9 September 2019
FreeType could be made to expose sensitive information if it opened a specially crafted font file.
- Ubuntu 16.04 LTS
CVE ID
9 September 2019
Memcached could be made to expose sensitive information if it received a specially crafted UNIX socket.
- Ubuntu 19.04 ,
- 18.04 LTS,
- 16.04 LTS
CVE ID
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