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CVE details

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.

Score
5.9 medium
Published
2023-11-29
Links
NVD · cve.org · Report wrong data

Matched ports (1)

PortPackageVersionStatusMaintainer
security/py-cryptography-legacypy312-cryptography-legacy3.4.8_3,1unaddressedsunpoet@FreeBSD.org

Template for a VuXML entry

Range taken from the CVE record, check it before committing. make newentry in security/vuxml creates the vid.

  <vuln vid="FIXME (make newentry)">
    <topic>FIXME -- FIXME</topic>
    <affects>
      <package>
	<name>py312-cryptography-legacy</name>
	<range><lt>41.0.6</lt></range>
      </package>
    </affects>
    <description>
      <body xmlns="http://www.w3.org/1999/xhtml">
	<p>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.</p>
      </body>
    </description>
    <references>
      <cvename>CVE-2023-49083</cvename>
      <url>https://nvd.nist.gov/vuln/detail/CVE-2023-49083</url>
    </references>
    <dates>
      <discovery>2023-11-29</discovery>
      <entry>2026-10-26</entry>
    </dates>
  </vuln>