Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2021.2937
libssh security update
1 September 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: libssh
Publisher: Debian
Operating System: Debian GNU/Linux
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Denial of Service -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-3634
Reference: ESB-2021.2900
Original Bulletin:
https://lists.debian.org/debian-security-announce/2021/msg00150.html
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Debian Security Advisory DSA-4965-1 security@debian.org
https://www.debian.org/security/ Moritz Muehlenhoff
August 31, 2021 https://www.debian.org/security/faq
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Package : libssh
CVE ID : CVE-2021-3634
Debian Bug : 993046
It was discovered that a buffer overflow in rekeying in libssh could
result in denial of service or potentially the execution of arbitrary
code.
The oldstable distribution (buster) is not affected.
For the stable distribution (bullseye), this problem has been fixed in
version 0.9.5-1+deb11u1.
We recommend that you upgrade your libssh packages.
For the detailed security status of libssh please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/libssh
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: debian-security-announce@lists.debian.org
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