ALPINE-CVE-2021-43535

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Source
https://security.alpinelinux.org/vuln/CVE-2021-43535
Import Source
https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-43535.json
JSON Data
https://api.osv.dev/v1/vulns/ALPINE-CVE-2021-43535
Upstream
Published
2021-12-08T22:15:09Z
Modified
2026-11-03T06:31:47Z
Severity
  • 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

A use-after-free could have occured when an HTTP2 session object was released on a different thread, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 93, Thunderbird < 91.3, and Firefox ESR < 91.3.

References

Affected packages

Alpine:v3.16
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
91.3.2-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-43535.json"
Alpine:v3.17
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
91.3.2-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-43535.json"
Alpine:v3.18
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
91.3.2-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-43535.json"
Alpine:v3.19
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
91.3.2-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-43535.json"
Alpine:v3.20
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
91.3.2-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-43535.json"
Alpine:v3.21
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
91.3.2-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-43535.json"
Alpine:v3.22
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
91.3.2-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-43535.json"
Alpine:v3.23
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
91.3.2-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-43535.json"