pyca cryptography 41.0.2 PKCS7 Certificate null pointer dereference
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.8 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as problematic, was found in pyca cryptography. Affected by this issue is some unknown functionality of the component PKCS7 Certificate Handler. Executing a manipulation can lead to null pointer dereference. This vulnerability is handled as CVE-2023-49083. There is not any exploit available. You should upgrade the affected component.
Details
A vulnerability was found in pyca cryptography. It has been declared as problematic. This vulnerability affects some unknown functionality of the component PKCS7 Certificate Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability.
The weakness was released 11/29/2023. The advisory is available at github.com. This vulnerability was named CVE-2023-49083 since 11/21/2023. The technical details are unknown and an exploit is not available.
The vulnerability scanner Nessus provides a plugin with the ID 209185 (Debian dla-3922 : python-cryptography-doc - security update), which helps to determine the existence of the flaw in a target environment.
Upgrading to version 41.0.6 eliminates this vulnerability.
The vulnerability is also documented in the databases at Tenable (209185) and CERT Bund (WID-SEC-2025-2043). If you want to get best quality of vulnerability data, you may have to visit VulDB.
Affected
- IBM QRadar SIEM
Product
Vendor
Name
Version
License
Website
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.9VulDB Meta Temp Score: 5.8
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CNA Base Score: 5.9
CNA Vector (GitHub, Inc.): 🔍
CVSSv2
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 209185
Nessus Name: Debian dla-3922 : python-cryptography-doc - security update
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: cryptography 41.0.6
Patch: github.com
Timeline
11/21/2023 🔍11/29/2023 🔍
11/29/2023 🔍
09/12/2025 🔍
Sources
Product: github.comAdvisory: f09c261ca10a31fe41b1262306db7f8f1da0e48a
Status: Confirmed
CVE: CVE-2023-49083 (🔍)
GCVE (CVE): GCVE-0-2023-49083
GCVE (VulDB): GCVE-100-246346
CERT Bund: WID-SEC-2025-2043 - IBM QRadar SIEM: Mehrere Schwachstellen
Entry
Created: 11/29/2023 06:57Updated: 09/12/2025 14:14
Changes: 11/29/2023 06:57 (38), 12/20/2023 09:07 (3), 12/20/2023 09:08 (22), 09/05/2024 18:33 (17), 10/17/2024 20:22 (2), 09/12/2025 14:14 (7)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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