UBUNTU-CVE-2020-36331

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Source
https://ubuntu.com/security/CVE-2020-36331
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-36331.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2020-36331
Upstream
Downstream
Related
Published
2020-12-31T00:00:00Z
Modified
2025-09-08T16:46:34Z
Severity
  • 9.1 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

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.

References

Affected packages

Ubuntu:Pro:14.04:LTS / libwebp

Package

Name
libwebp
Purl
pkg:deb/ubuntu/libwebp@0.4.0-4ubuntu0.1~esm1?arch=source&distro=trusty/esm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.4.0-4ubuntu0.1~esm1

Affected versions

0.*

0.3.0-3
0.4.0-4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.4.0-4ubuntu0.1~esm1",
            "binary_name": "libwebp-dev"
        },
        {
            "binary_version": "0.4.0-4ubuntu0.1~esm1",
            "binary_name": "libwebp5"
        },
        {
            "binary_version": "0.4.0-4ubuntu0.1~esm1",
            "binary_name": "libwebpdemux1"
        },
        {
            "binary_version": "0.4.0-4ubuntu0.1~esm1",
            "binary_name": "libwebpmux1"
        },
        {
            "binary_version": "0.4.0-4ubuntu0.1~esm1",
            "binary_name": "webp"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Ubuntu:Pro:16.04:LTS / libwebp

Package

Name
libwebp
Purl
pkg:deb/ubuntu/libwebp@0.4.4-1ubuntu0.1~esm1?arch=source&distro=esm-infra/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.4.4-1ubuntu0.1~esm1

Affected versions

0.*

0.4.3-1.3
0.4.3-1.3build1
0.4.4-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.4.4-1ubuntu0.1~esm1",
            "binary_name": "libwebp-dev"
        },
        {
            "binary_version": "0.4.4-1ubuntu0.1~esm1",
            "binary_name": "libwebp5"
        },
        {
            "binary_version": "0.4.4-1ubuntu0.1~esm1",
            "binary_name": "libwebpdemux1"
        },
        {
            "binary_version": "0.4.4-1ubuntu0.1~esm1",
            "binary_name": "libwebpmux1"
        },
        {
            "binary_version": "0.4.4-1ubuntu0.1~esm1",
            "binary_name": "webp"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Ubuntu:18.04:LTS / libwebp

Package

Name
libwebp
Purl
pkg:deb/ubuntu/libwebp@0.6.1-2ubuntu0.18.04.1?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.6.1-2ubuntu0.18.04.1

Affected versions

0.*

0.6.0-3
0.6.0-4
0.6.1-1
0.6.1-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.6.1-2ubuntu0.18.04.1",
            "binary_name": "libwebp-dev"
        },
        {
            "binary_version": "0.6.1-2ubuntu0.18.04.1",
            "binary_name": "libwebp6"
        },
        {
            "binary_version": "0.6.1-2ubuntu0.18.04.1",
            "binary_name": "libwebpdemux2"
        },
        {
            "binary_version": "0.6.1-2ubuntu0.18.04.1",
            "binary_name": "libwebpmux3"
        },
        {
            "binary_version": "0.6.1-2ubuntu0.18.04.1",
            "binary_name": "webp"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:20.04:LTS / libwebp

Package

Name
libwebp
Purl
pkg:deb/ubuntu/libwebp@0.6.1-2ubuntu0.20.04.1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.6.1-2ubuntu0.20.04.1

Affected versions

0.*

0.6.1-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.6.1-2ubuntu0.20.04.1",
            "binary_name": "libwebp-dev"
        },
        {
            "binary_version": "0.6.1-2ubuntu0.20.04.1",
            "binary_name": "libwebp6"
        },
        {
            "binary_version": "0.6.1-2ubuntu0.20.04.1",
            "binary_name": "libwebpdemux2"
        },
        {
            "binary_version": "0.6.1-2ubuntu0.20.04.1",
            "binary_name": "libwebpmux3"
        },
        {
            "binary_version": "0.6.1-2ubuntu0.20.04.1",
            "binary_name": "webp"
        }
    ],
    "availability": "No subscription required"
}