PYSEC-2023-254
- Import Source
- https://github.com/pypa/advisory-database/blob/main/vulns/cryptography/PYSEC-2023-254.yaml
- Aliases
- Published
- 2023-11-29T19:15:00Z
- Modified
- 2024-02-17T07:41:40.326359Z
- Details
-
cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. Calling
load_pem_pkcs7_certificatesorload_der_pkcs7_certificatescould 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. - References
-
- https://github.com/pyca/cryptography/security/advisories/GHSA-jfhm-5ghh-2f97
- https://github.com/pyca/cryptography/pull/9926
- https://github.com/pyca/cryptography/commit/f09c261ca10a31fe41b1262306db7f8f1da0e48a
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QMNTYMUGFJSDBYBU22FUYBHFRZODRKXV/
Affected packages
PyPI / cryptography
Package
- Name
- cryptography
Affected ranges
- Type
- GIT
- Repo
- https://github.com/pyca/cryptography
- Events
- Type
- ECOSYSTEM
- Events
-
Introduced3.1Fixed41.0.6
Affected versions
3.*
3.1
3.1.1
3.2
3.2.1
3.3
3.3.1
3.3.2
3.4
3.4.1
3.4.2
3.4.3
3.4.4
3.4.5
3.4.6
3.4.7
3.4.8
35.*
35.0.0
36.*
36.0.0
36.0.1
36.0.2
37.*
37.0.0
37.0.1
37.0.2
37.0.3
37.0.4
38.*
38.0.0
38.0.1
38.0.2
38.0.3
38.0.4
39.*
39.0.0
39.0.1
39.0.2
40.*
40.0.0
40.0.1
40.0.2
41.*
41.0.0
41.0.1
41.0.2
41.0.3
41.0.4
41.0.5