CVE-2023-49083
CVSS v3
7.5
HIGH
EPSS Score
1.3 %
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2023-11-29
Frequently asked questions
What is CVE-2023-49083?
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.
Is CVE-2023-49083 actively exploited?
Active exploitation of CVE-2023-49083 has not been confirmed. The EPSS score is 1.3%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2023-49083?
CVE-2023-49083 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2023-49083 affecting your environment?
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