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    Debian: DSA-4475-1: openssl security update

    Date 01 Jul 2019
    7267
    Posted By LinuxSecurity Advisories
    Joran Dirk Greef discovered that overly long nonces used with ChaCha20-Poly1305 were incorrectly processed and could result in nonce reuse. This doesn't affect OpenSSL-internal uses of ChaCha20-Poly1305 such as TLS.
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    Debian Security Advisory DSA-4475-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.debian.org/security/                       Moritz Muehlenhoff
    July 01, 2019                         https://www.debian.org/security/faq
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    Package        : openssl
    CVE ID         : CVE-2019-1543
    
    Joran Dirk Greef discovered that overly long nonces used with
    ChaCha20-Poly1305 were incorrectly processed and could result in nonce
    reuse. This doesn't affect OpenSSL-internal uses of ChaCha20-Poly1305
    such as TLS.
    
    For the stable distribution (stretch), this problem has been fixed in
    version 1.1.0k-1~deb9u1. This DSA also upgrades openssl1.0 (which
    itself is not affected by CVE-2019-1543) to 1.0.2s-1~deb9u1
    
    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 Security Advisories, how to apply
    these updates to your system and frequently asked questions can be
    found at: https://www.debian.org/security/
    
    Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it.
    

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