ALPINE-CVE-2020-26956

See a problem?
Please try reporting it to the source first.
Source
https://security.alpinelinux.org/vuln/CVE-2020-26956
Import Source
https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-26956.json
JSON Data
https://api.osv.dev/v1/vulns/ALPINE-CVE-2020-26956
Upstream
Published
2020-12-09T01:15:12Z
Modified
2026-11-03T06:32:37Z
Severity
  • 6.1 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N CVSS Calculator
Summary
[none]
Details

In some cases, removing HTML elements during sanitization would keep existing SVG event handlers and therefore lead to XSS. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.

References

Affected packages

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
83.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-26956.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
78.5.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-26956.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
83.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-26956.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
78.5.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-26956.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
83.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-26956.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
78.5.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-26956.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
83.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-26956.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
78.5.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-26956.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
83.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-26956.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
78.5.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-26956.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
78.5.1-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-26956.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
83.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-26956.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
78.5.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-26956.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
78.5.1-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-26956.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
83.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-26956.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
78.5.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-26956.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
78.5.1-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-26956.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
83.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-26956.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
78.5.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-26956.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
78.5.1-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-26956.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
83.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-26956.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
78.5.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-26956.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
78.5.1-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-26956.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
83.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-26956.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
78.5.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-26956.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
83.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-26956.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
78.5.1-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-26956.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
83.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-26956.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
78.5.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-26956.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
83.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-26956.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
78.5.1-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-26956.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
83.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-26956.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
78.5.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-26956.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
83.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-26956.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
78.5.1-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-26956.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
83.0-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-26956.json"