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CVE-2020-36331

Published: 31 December 2020

A flaw was found in libwebp in versions before 1.0.1. An out-of-bounds read was found in function ChunkAssignData. The highest threat from this vulnerability is to data confidentiality and to the service availability.

Priority

Medium

Cvss 3 Severity Score

9.1

Score breakdown

Status

Package Release Status
libwebp
Launchpad, Ubuntu, Debian
impish
Released (0.6.1-2ubuntu1)
jammy
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/+/be738c6d396fa5a272c1b209be4379a7532debfe

Severity score breakdown

Parameter Value
Base score 9.1
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H