Source: python-cryptography Version: 38.0.4-4 Severity: important Tags: security upstream Forwarded: https://github.com/pyca/cryptography/pull/9926 X-Debbugs-Cc: car...@debian.org, Debian Security Team <t...@security.debian.org>
Hi, The following vulnerability was published for python-cryptography. CVE-2023-49083[0]: | 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. If you fix the vulnerability please also make sure to include the CVE (Common Vulnerabilities & Exposures) id in your changelog entry. For further information see: [0] https://security-tracker.debian.org/tracker/CVE-2023-49083 https://www.cve.org/CVERecord?id=CVE-2023-49083 [1] https://github.com/pyca/cryptography/pull/9926 [2] https://github.com/pyca/cryptography/security/advisories/GHSA-jfhm-5ghh-2f97 Please adjust the affected versions in the BTS as needed. Regards, Salvatore