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Fedora 31: FEDORA-2019-91529f19e4 Critical: libssh2 Integer Overflow

fedora
Calendar Grey November 6, 2019
Dist Fedora Esm H88
Fedora 31 patches libssh2 to resolve integer overflow in SSH termination procedures, boosting overall security posture. Ensure you update promptly for enhanced safety.
- fix integer overflow in SSH_MSG_DISCONNECT logic (CVE-2019-17498)

Summary

libssh2 is a library implementing the SSH2 protocol as defined by

Internet Drafts: SECSH-TRANS(22), SECSH-USERAUTH(25),

SECSH-CONNECTION(23), SECSH-ARCH(20), SECSH-FILEXFER(06)*,

SECSH-DHGEX(04), and SECSH-NUMBERS(10).

- fix integer overflow in SSH_MSG_DISCONNECT logic (CVE-2019-17498)

* Wed Oct 30 2019 Kamil Dudka - 1.9.0-3

- fix integer overflow in SSH_MSG_DISCONNECT logic (CVE-2019-17498)

[ 1 ] Bug #1766903 - CVE-2019-17498 libssh2: integer overflow in SSH_MSG_DISCONNECT logic in packet.c [fedora-all]

https://bugzilla.redhat.com/show_bug.cgi?id=1766903

su -c 'dnf upgrade --advisory FEDORA-2019-91529f19e4' at the command

line. For more information, refer to the dnf documentation available at

https://dnf.readthedocs.io/en/latest/command_ref.html

All packages are signed with the Fedora Project GPG key. More details on the

GPG keys used by the Fedora Project can be found at

https://fedoraproject.org/security/

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Change Log

References

Update Instructions

Severity
critical
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Critical

Product: Fedora 31
Version: 1.9.0
Release: 3.fc31
Summary: A library implementing the SSH2 protocol

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