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Debian LTS Advisory DLA-2952-1                [email protected]
https://www.debian.org/lts/security/               Emilio Pozuelo Monfort
March 17, 2022                                https://wiki.debian.org/LTS
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Package        : openssl
Version        : 1.1.0l-1~deb9u5
CVE ID         : CVE-2019-1551 CVE-2022-0778

Tavis Ormandy discovered that the BN_mod_sqrt() function of OpenSSL
could be tricked into an infinite loop. This could result in denial of
service via malformed certificates.

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

We recommend that you upgrade your openssl packages.

For the detailed security status of openssl please refer to
its security tracker page at:

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