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OpenAdvisories
Unscored USN-7198-1 7 CVEs

rlottie vulnerabilities

Published Jan 10, 2025 · Updated Apr 22, 2026

Ecosystem: Ubuntu

Summary

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)

Fixed packages 2

ReleasePackageFixed in
Ubuntu · 22.04 LTS 22.04:LTS rlottie 0.1+dfsg-2ubuntu0.1
Ubuntu · Pro 20.04 LTS Pro:20.04:LTS rlottie 0~git20200305.a717479+dfsg-1ubuntu0.1~esm1

Vulnerabilities 7

  • Unscored —
    CVE-2021-31315

    Telegram Android <7.1.0 (2090), Telegram iOS <7.1, and Telegram macOS <7.1 are affected by a Stack Based Overflow in th…

    rlottie Ubuntu
  • Unscored —
    CVE-2021-31317

    Telegram Android <7.1.0 (2090), Telegram iOS <7.1, and Telegram macOS <7.1 are affected by a Type Confusion in the VDas…

    rlottie rlottie Debian Ubuntu
  • Unscored —
    CVE-2021-31318

    Telegram Android <7.1.0 (2090), Telegram iOS <7.1, and Telegram macOS <7.1 are affected by a Type Confusion in the LOTC…

    rlottie Ubuntu
  • Unscored —
    CVE-2021-31319

    Telegram Android <7.1.0 (2090), Telegram iOS <7.1, and Telegram macOS <7.1 are affected by an Integer Overflow in the L…

    rlottie Ubuntu
  • Unscored —
    CVE-2021-31320

    Telegram Android <7.1.0 (2090), Telegram iOS <7.1, and Telegram macOS <7.1 are affected by a Heap Buffer Overflow in th…

    rlottie Ubuntu
  • Unscored —
    CVE-2021-31321

    Telegram Android <7.1.0 (2090), Telegram iOS <7.1, and Telegram macOS <7.1 are affected by a Stack Based Overflow in th…

    rlottie rlottie Debian Ubuntu
  • Unscored —
    CVE-2021-31322

    Telegram Android <7.1.0 (2090), Telegram iOS <7.1, and Telegram macOS <7.1 are affected by a Heap Buffer Overflow in th…

    rlottie Ubuntu

References

  • report
    https://ubuntu.com/security/CVE-2021-31315
  • report
    https://ubuntu.com/security/CVE-2021-31317
  • report
    https://ubuntu.com/security/CVE-2021-31318
  • report
    https://ubuntu.com/security/CVE-2021-31319
  • report
    https://ubuntu.com/security/CVE-2021-31320
  • report
    https://ubuntu.com/security/CVE-2021-31321
  • report
    https://ubuntu.com/security/CVE-2021-31322