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Debian 9 DLA-2952-1 Critical: OpenSSL Denial Of Service Risk

debian lts
Calendar Grey March 17, 2022
Dist Debian Esm H88
The Debian LTS Advisory DLA-2953-1 highlights vulnerabilities in OpenSSH, focusing on potential exploitation leading to unauthorized access and system instability.
Tavis Ormandy discovered that the BN_mod_sqrt() function of OpenSSL could be tricked into an infinite loop
Topics%20covered

Topics Covered

security advisory denial of service critical debian vulnerability openssl

Summary

In addition, this update fixes an overflow bug in the x64_64 Montgomery
squaring procedure.

For Debian 9 stretch, these problems have been fixed in version
1.1.0l-1~deb9u5.

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/source-package/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


Severity
critical
Lowest
Low
Medium
High
Critical

Package: openssl
Version: 1.1.0l-1~deb9u5
CVE ID: CVE-2019-1551 CVE-2022-0778

Topics%20covered

Topics Covered

security advisory denial of service critical debian vulnerability openssl

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