[USN-5119-1] libcaca vulnerabilities

========================================================================== Ubuntu Security Notice USN-5119-1 October 21, 2021
libcaca vulnerabilities ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 21.10 – Ubuntu 21.04 – Ubuntu 20.04 LTS – Ubuntu 18.04 LTS – Ubuntu 16.04 ESM – Ubuntu 14.04 ESM
Summary:
libcaca could be made to crash if it received a specially crafted image.
Software Description: – libcaca: text mode graphics utilities
Details:
It was discovered that libcaca incorrectly handled certain images. An attacker could possibly use this issue to cause a crash. (CVE-2021-30498, CVE-2021-30499)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 21.10: caca-utils 0.99.beta19-2.2ubuntu2.1 libcaca0 0.99.beta19-2.2ubuntu2.1
Ubuntu 21.04: caca-utils 0.99.beta19-2.2ubuntu1.1 libcaca0 0.99.beta19-2.2ubuntu1.1
Ubuntu 20.04 LTS: caca-utils 0.99.beta19-2.1ubuntu1.20.04.2 libcaca0 0.99.beta19-2.1ubuntu1.20.04.2
Ubuntu 18.04 LTS: caca-utils 0.99.beta19-2ubuntu0.18.04.3 libcaca0 0.99.beta19-2ubuntu0.18.04.3
Ubuntu 16.04 ESM: caca-utils 0.99.beta19-2ubuntu0.16.04.2+esm1 libcaca0 0.99.beta19-2ubuntu0.16.04.2+esm1
Ubuntu 14.04 ESM: caca-utils 0.99.beta18-1ubuntu5.1+esm2 libcaca0 0.99.beta18-1ubuntu5.1+esm2
In general, a standard system update will make all the necessary changes.
References: ubuntu.com/security/notices/USN-5119-1 CVE-2021-30498, CVE-2021-30499
Package Information: launchpad.net/ubuntu/+source/libcaca/0.99.beta19-2.2ubuntu2.1 launchpad.net/ubuntu/+source/libcaca/0.99.beta19-2.2ubuntu1.1 launchpad.net/ubuntu/+source/libcaca/0.99.beta19-2.1ubuntu1.20.04.2 launchpad.net/ubuntu/+source/libcaca/0.99.beta19-2ubuntu0.18.04.3