CVE-2020-36242
- Source
- https://cve.org/CVERecord?id=CVE-2020-36242
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-36242.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2020-36242
- Aliases
- Downstream
- Related
- Published
- 2021-02-07T20:15:12.090Z
- Modified
- 2026-02-15T00:30:10.889444Z
- 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
-
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L7RGQLK4J5ZQFRLKCHVVG6BKZTUQMG7E/
- https://github.com/pyca/cryptography/blob/master/CHANGELOG.rst
- https://github.com/pyca/cryptography/compare/3.3.1...3.3.2
- https://github.com/pyca/cryptography/issues/5615
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://www.oracle.com/security-alerts/cpujul2022.html
- https://github.com/pyca/cryptography/compare/3.3.1...3.3.2
- https://github.com/pyca/cryptography/issues/5615
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://www.oracle.com/security-alerts/cpujul2022.html
- https://github.com/pyca/cryptography/issues/5615
Affected packages
Git / github.com/python-pillow/pillow
Affected ranges
- Type
- GIT
- Repo
- https://github.com/python-pillow/pillow
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixed