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OpenAdvisories
High DLA-3449-1 4 CVEs

openssl - security update

Published Jun 8, 2023 · Updated Mar 9, 2026

Fixed packages 1

ReleasePackageFixed in
Debian · 10 openssl 1.1.1n-0+deb10u5

Vulnerabilities 4

  • High 7.5
    CVE-2023-0464 Public exploit

    Excessive Resource Usage Verifying X.509 Policy Constraints

    A security vulnerability has been identified in all supported versions of OpenSSL related to the verification of X.509 certificate chains that include policy constraints. Attackers may be able to exploit this vulnerability by creating a malicious certificate …

  • Medium 6.5
    CVE-2023-2650 EPSS 75%

    Possible DoS translating ASN.1 object identifiers

    Issue summary: Processing some specially crafted ASN.1 object identifiers or data containing them may be very slow. Impact summary: Applications that use OBJ_obj2txt() directly, or use any of the OpenSSL subsystems OCSP, PKCS7/SMIME, CMS, CMP/CRMF or TS with …

  • Medium 5.3

    Invalid certificate policies in leaf certificates are silently ignored

    Applications that use a non-default option when verifying certificates may be vulnerable to an attack from a malicious CA to circumvent certain checks. Invalid certificate policies in leaf certificates are silently ignored by OpenSSL and other certificate pol…

  • Medium 5.3

    Certificate policy check not enabled

    The function X509_VERIFY_PARAM_add0_policy() is documented to implicitly enable the certificate policy check when doing certificate verification. However the implementation of the function does not enable the check which allows certificates with invalid or in…