AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2023-49083

MEDIUM · CVSS 5.9 EPSS 0.98% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2023-11-29 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.9. Public exploit code or proof-of-concept references have been detected in its references. It may lead to a denial-of-service condition.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2023-49083
Severity
MEDIUM
CVSS
5.9
EPSS
0.98%

Original NVD Description

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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)