1. Ubuntu Security Notices
  2. USN-7198-1

USN-7198-1: rlottie vulnerabilities

Publication date

10 January 2025

Overview

Several security issues were fixed in rlottie.

Releases

Packages

  • rlottie - library for rendering vector based animations and art

Details

Paolo Giai discovered a series of stack-based overflow vulnerabilities in
the blit and gray_render_cubic functions of a custom fork of the rlottie
library. An attacker could possibly use this issue to leak sensitive
information. This issue only affected Ubuntu 20.04 LTS and Ubuntu 22.04
LTS. (CVE-2021-31315, CVE-2021-31321)

Paolo Giai discovered a series of type confusion vulnerabilities in the
VDasher constructor and the LOTCompLayerItem::LOTCompLayerItem function
of a custom fork of the rlottie library. An attacker could possibly use
this issue to leak sensitive information. This issue only affected Ubuntu
20.04 LTS. (CVE-2021-31317, CVE-2021-31318)

Paolo Giai discovered an integer overflow vulnerability in the
LOTGradient::populate function of a custom fork of the rlottie...

Paolo Giai discovered a series of stack-based overflow vulnerabilities in
the blit and gray_render_cubic functions of a custom fork of the rlottie
library. An attacker could possibly use this issue to leak sensitive
information. This issue only affected Ubuntu 20.04 LTS and Ubuntu 22.04
LTS. (CVE-2021-31315, CVE-2021-31321)

Paolo Giai discovered a series of type confusion vulnerabilities in the
VDasher constructor and the LOTCompLayerItem::LOTCompLayerItem function
of a custom fork of the rlottie library. An attacker could possibly use
this issue to leak sensitive information. This issue only affected Ubuntu
20.04 LTS. (CVE-2021-31317, CVE-2021-31318)

Paolo Giai discovered an integer overflow vulnerability in the
LOTGradient::populate function of a custom fork of the rlottie library.
An attacker could possibly use this issue to leak sensitive information.
This issue only affected Ubuntu 20.04 LTS. (CVE-2021-31319)

Paolo Giai discovered a series of heap buffer overflow vulnerabilities
in the VGradientCache::generateGradientColorTable and
LOTGradient::populate functions of a custom fork of the rlottie library.
An attacker could possibly use this issue to achieve remote code execution.
This issue only affected Ubuntu 20.04 LTS. (CVE-2021-31320, CVE-2021-31322)

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
22.04 jammy librlottie0-1 –  0.1+dfsg-2ubuntu0.1
20.04 focal librlottie0-1 –  0~git20200305.a717479+dfsg-1ubuntu0.1~esm1  

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Get Ubuntu Pro

References

Have additional questions?

Talk to a member of the team ›