VDB
DEBIAN-CVE-2023-49083
DEBIAN-CVE-2023-49083
PUBLISHED
CVSS 7.5 HIGH
cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. Calling `load_pem_pkcs7_certificates` or `load_der_pkcs7_certificates` could lead to a NULL-pointer dereference and segfault. Exploitation of this vulnerability poses a serious risk of Denial of Service (DoS) for any application attempting to deserialize a PKCS7 blob/certificate. The consequences extend to potential disruptions in system availability and stability. This vulnerability has been patched in version 41.0.6.
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:13 | python-cryptography | 0, 0, 0 |
| Debian:12 | python-cryptography | 38.0.4-3, 0, 38.0.4-3 |
| Debian:11 | python-cryptography | 3.3.2-1, 0, 3.3.2-1 |
| Debian:14 | python-cryptography | 0, 0, 0 |
Exploit Intelligence
- package.py (github-poc)
Timeline
- Nov 29, 2023 CVE Published
- Apr 28, 2026 CVE Updated