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Debian LTS Advisory DLA-3530-1                [email protected]
https://www.debian.org/lts/security/                         Anton Gladky
August 15, 2023                               https://wiki.debian.org/LTS
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Package        : openssl
Version        : 1.1.1n-0+deb10u6
CVE ID         : CVE-2023-3446 CVE-2023-3817

Two vunerabilities were discovered in openssl, a Secure Sockets Layer toolkit:

CVE-2023-3446, CVE-2023-3817

    Excessively long DH key or parameter checks can cause significant delays
    in applications using DH_check(), DH_check_ex(), or EVP_PKEY_param_check()
    functions, potentially leading to Denial of Service attacks when keys or
    parameters are obtained from untrusted sources.


For Debian 10 buster, these problems have been fixed in version
1.1.1n-0+deb10u6.

We recommend that you upgrade your openssl packages.

For the detailed security status of openssl please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/openssl

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS