ALPINE-CVE-2020-36242

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Source
https://security.alpinelinux.org/vuln/CVE-2020-36242
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2020-36242.json
JSON Data
https://api.test.osv.dev/v1/vulns/ALPINE-CVE-2020-36242
Upstream
Published
2021-02-07T20:15:12Z
Modified
2026-08-20T10:18:02Z
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
Summary
[none]
Details

In the cryptography package before 3.3.2 for Python, certain sequences of update calls to symmetrically encrypt multi-GB values could result in an integer overflow and buffer overflow, as demonstrated by the Fernet class.

References

Affected packages

Alpine:v3.13 / py3-cryptography

Package

Name
py3-cryptography
Purl
pkg:apk/alpine/py3-cryptography?arch=source

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2020-36242.json"

Alpine:v3.23 / py3-cryptography

Package

Name
py3-cryptography
Purl
pkg:apk/alpine/py3-cryptography?arch=source

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2020-36242.json"

Alpine:v3.24 / py3-cryptography

Package

Name
py3-cryptography
Purl
pkg:apk/alpine/py3-cryptography?arch=source

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2020-36242.json"