vulnerability
Red Hat: CVE-2020-36242: CVE-2020-36242 python-cryptography: Large inputs for symmetric encryption can trigger integer overflow leading to buffer overflow (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 6 | (AV:N/AC:L/Au:N/C:P/I:N/A:P) | Feb 7, 2021 | May 21, 2021 | Aug 11, 2025 |
Severity
6
CVSS
(AV:N/AC:L/Au:N/C:P/I:N/A:P)
Published
Feb 7, 2021
Added
May 21, 2021
Modified
Aug 11, 2025
Description
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.
Solutions
no-fix-redhat-rpm-packageredhat-upgrade-python-cryptography-debugsourceredhat-upgrade-python3-cryptographyredhat-upgrade-python3-cryptography-debuginfo
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