ALPINE-CVE-2020-6821

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Source
https://security.alpinelinux.org/vuln/CVE-2020-6821
Import Source
https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-6821.json
JSON Data
https://api.osv.dev/v1/vulns/ALPINE-CVE-2020-6821
Upstream
Published
2020-04-24T16:15:13Z
Modified
2026-11-03T06:32:37Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
Summary
[none]
Details

When reading from areas partially or fully outside the source resource with WebGL's copyTexSubImage method, the specification requires the returned values be zero. Previously, this memory was uninitialized, leading to potentially sensitive data disclosure. This vulnerability affects Thunderbird < 68.7.0, Firefox ESR < 68.7, and Firefox < 75.

References

Affected packages

Alpine:v3.11
firefox-esr

Package

Name
firefox-esr
Purl
pkg:apk/alpine/firefox-esr?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
68.7.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-6821.json"
Alpine:v3.12
firefox

Package

Name
firefox
Purl
pkg:apk/alpine/firefox?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
75.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-6821.json"
firefox-esr

Package

Name
firefox-esr
Purl
pkg:apk/alpine/firefox-esr?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
68.7.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-6821.json"
mozjs68

Package

Name
mozjs68
Purl
pkg:apk/alpine/mozjs68?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
68.7.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-6821.json"
Alpine:v3.13
firefox

Package

Name
firefox
Purl
pkg:apk/alpine/firefox?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
75.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-6821.json"
firefox-esr

Package

Name
firefox-esr
Purl
pkg:apk/alpine/firefox-esr?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
68.7.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-6821.json"
Alpine:v3.14
firefox

Package

Name
firefox
Purl
pkg:apk/alpine/firefox?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
75.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-6821.json"
firefox-esr

Package

Name
firefox-esr
Purl
pkg:apk/alpine/firefox-esr?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
68.7.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-6821.json"
Alpine:v3.15
firefox

Package

Name
firefox
Purl
pkg:apk/alpine/firefox?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
75.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-6821.json"
firefox-esr

Package

Name
firefox-esr
Purl
pkg:apk/alpine/firefox-esr?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
68.7.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-6821.json"
Alpine:v3.16
firefox

Package

Name
firefox
Purl
pkg:apk/alpine/firefox?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
75.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-6821.json"
firefox-esr

Package

Name
firefox-esr
Purl
pkg:apk/alpine/firefox-esr?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
68.7.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-6821.json"
thunderbird

Package

Name
thunderbird
Purl
pkg:apk/alpine/thunderbird?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
68.7.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-6821.json"
Alpine:v3.17
firefox

Package

Name
firefox
Purl
pkg:apk/alpine/firefox?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
75.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-6821.json"
firefox-esr

Package

Name
firefox-esr
Purl
pkg:apk/alpine/firefox-esr?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
68.7.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-6821.json"
thunderbird

Package

Name
thunderbird
Purl
pkg:apk/alpine/thunderbird?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
68.7.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-6821.json"
Alpine:v3.18
firefox

Package

Name
firefox
Purl
pkg:apk/alpine/firefox?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
75.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-6821.json"
firefox-esr

Package

Name
firefox-esr
Purl
pkg:apk/alpine/firefox-esr?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
68.7.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-6821.json"
thunderbird

Package

Name
thunderbird
Purl
pkg:apk/alpine/thunderbird?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
68.7.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-6821.json"
Alpine:v3.19
firefox

Package

Name
firefox
Purl
pkg:apk/alpine/firefox?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
75.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-6821.json"
firefox-esr

Package

Name
firefox-esr
Purl
pkg:apk/alpine/firefox-esr?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
68.7.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-6821.json"
thunderbird

Package

Name
thunderbird
Purl
pkg:apk/alpine/thunderbird?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
68.7.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-6821.json"
Alpine:v3.20
firefox

Package

Name
firefox
Purl
pkg:apk/alpine/firefox?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
75.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-6821.json"
firefox-esr

Package

Name
firefox-esr
Purl
pkg:apk/alpine/firefox-esr?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
68.7.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-6821.json"
thunderbird

Package

Name
thunderbird
Purl
pkg:apk/alpine/thunderbird?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
68.7.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-6821.json"
Alpine:v3.21
firefox

Package

Name
firefox
Purl
pkg:apk/alpine/firefox?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
75.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-6821.json"
firefox-esr

Package

Name
firefox-esr
Purl
pkg:apk/alpine/firefox-esr?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
68.7.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-6821.json"
librewolf

Package

Name
librewolf
Purl
pkg:apk/alpine/librewolf?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
75.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-6821.json"
thunderbird

Package

Name
thunderbird
Purl
pkg:apk/alpine/thunderbird?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
68.7.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-6821.json"
Alpine:v3.22
firefox

Package

Name
firefox
Purl
pkg:apk/alpine/firefox?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
75.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-6821.json"
firefox-esr

Package

Name
firefox-esr
Purl
pkg:apk/alpine/firefox-esr?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
68.7.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-6821.json"
librewolf

Package

Name
librewolf
Purl
pkg:apk/alpine/librewolf?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
75.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-6821.json"
thunderbird

Package

Name
thunderbird
Purl
pkg:apk/alpine/thunderbird?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
68.7.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-6821.json"
Alpine:v3.23
firefox

Package

Name
firefox
Purl
pkg:apk/alpine/firefox?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
75.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-6821.json"
firefox-esr

Package

Name
firefox-esr
Purl
pkg:apk/alpine/firefox-esr?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
68.7.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-6821.json"
librewolf

Package

Name
librewolf
Purl
pkg:apk/alpine/librewolf?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
75.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-6821.json"
thunderbird

Package

Name
thunderbird
Purl
pkg:apk/alpine/thunderbird?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
68.7.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-6821.json"
Alpine:v3.24
librewolf

Package

Name
librewolf
Purl
pkg:apk/alpine/librewolf?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
75.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-6821.json"