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CVE-2020-36329

Published: 31 December 2020

A flaw was found in libwebp in versions before 1.0.1. A use-after-free was found due to a thread being killed too early. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
libwebp
Launchpad, Ubuntu, Debian
jammy
Released (0.6.1-2ubuntu1)
impish
Released (0.6.1-2ubuntu1)
trusty
Released (0.4.0-4ubuntu0.1~esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
upstream Needs triage

xenial
Released (0.4.4-1ubuntu0.1~esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
bionic
Released (0.6.1-2ubuntu0.18.04.1)
focal
Released (0.6.1-2ubuntu0.20.04.1)
groovy
Released (0.6.1-2ubuntu0.20.10.1)
hirsute
Released (0.6.1-2ubuntu0.21.04.1)
Patches:
upstream: https://chromium.googlesource.com/webm/libwebp/+/569001f19fc81fcb5ab358f587a54c62e7c4665c

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H