It was discovered that a buffer overflow in rekeying in libssh could
result in denial of service or potentially the execution of arbitrary
The oldstable distribution (buster) is not affected.
For the stable distribution (bullseye), this problem has been fixed in
We recommend that you upgrade your libssh packages.
For the detailed security status of libssh please refer to
its security tracker page at:
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: [email protected]
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Debian Security Advisory DSA-4965-1 [email protected]
https://www.debian.org/security/ Moritz Muehlenhoff
August 31, 2021 https://www.debian.org/security/faq