USN-3884-1: libarchive vulnerabilities

Releases

• Ubuntu 18.10
• Ubuntu 18.04 ESM
• Ubuntu 16.04 ESM
• Ubuntu 14.04 ESM

Packages

• libarchive - Library to read/write archive files

Details

It was discovered that libarchive incorrectly handled certain 7zip files.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2019-1000019, CVE-2019-1000020)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 18.10

• libarchive13 - 3.2.2-5ubuntu0.2

Ubuntu 18.04

• libarchive13 - 3.2.2-3.1ubuntu0.3

Ubuntu 16.04

• libarchive13 - 3.1.2-11ubuntu0.16.04.6

Ubuntu 14.04

• libarchive13 - 3.1.2-7ubuntu2.8

In general, a standard system update will make all the necessary changes.

References

• CVE-2019-1000019
• CVE-2019-1000020