CVE-2023-50782
HIGH7.5EPSS 0.88%Python Cryptography package vulnerable to Bleichenbacher timing oracle attack
Published: 2/5/2024Modified: 2/28/2026
Description
A flaw was found in the python-cryptography package. This issue may allow a remote attacker to decrypt captured messages in TLS servers that use RSA key exchanges, which may lead to exposure of confidential or sensitive data.
Affected packages (2)
- Debian/python-cryptographyfrom 0
- PyPI/cryptographyfrom 0, < 42.0.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
References (7)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2023-50782
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2023-50782
- PATCHhttps://github.com/pyca/cryptography
- WEBhttps://access.redhat.com/security/cve/CVE-2023-50782
- WEBhttps://bugzilla.redhat.com/show_bug.cgi?id=2254432
- WEBhttps://github.com/pyca/cryptography/issues/9785
- WEBhttps://www.couchbase.com/alerts