Bug 1998136 - CVE-2021-3634 libssh2: libssh: possible heap-based buffer overflow when rekeying [fedora-all]
Summary: CVE-2021-3634 libssh2: libssh: possible heap-based buffer overflow when rekey...
Alias: None
Product: Fedora
Classification: Fedora
Component: libssh2
Version: 34
Hardware: Unspecified
OS: Unspecified
Target Milestone: ---
Assignee: Paul Howarth
QA Contact: Fedora Extras Quality Assurance
Depends On:
Blocks: CVE-2021-3634
TreeView+ depends on / blocked
Reported: 2021-08-26 13:21 UTC by devthomp
Modified: 2021-08-26 18:52 UTC (History)
3 users (show)

Fixed In Version:
Doc Type: No Doc Update
Doc Text:
Clone Of:
Last Closed: 2021-08-26 18:52:46 UTC
Type: ---

Attachments (Terms of Use)

Description devthomp 2021-08-26 13:21:41 UTC
This is an automatically created tracking bug!  It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.

For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.

For more information see:

When submitting as an update, use the fedpkg template provided in the next
comment(s).  This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.

Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.

NOTE: this issue affects multiple supported versions of Fedora. While only
one tracking bug has been filed, please correct all affected versions at
the same time.  If you need to fix the versions independent of each other,
you may clone this bug as appropriate.

Comment 1 devthomp 2021-08-26 13:21:43 UTC
Use the following template to for the 'fedpkg update' request to submit an
update for this issue as it contains the top-level parent bug(s) as well as
this tracking bug.  This will ensure that all associated bugs get updated
when new packages are pushed to stable.


# bugfix, security, enhancement, newpackage (required)

# low, medium, high, urgent (required)

# testing, stable

# Bug numbers: 1234,9876

# Description of your update
notes=Security fix for [PUT CVEs HERE]

# Enable request automation based on the stable/unstable karma thresholds

# Automatically close bugs when this marked as stable

# Suggest that users restart after update


Additionally, you may opt to use the bodhi web interface to submit updates:


Comment 2 Paul Howarth 2021-08-26 14:10:07 UTC
libssh and libssh2 are separate codebases (not different versions of the same codebase). Is there any suggestion that libssh2 is affected in the same way as libssh?

Comment 3 devthomp 2021-08-26 14:52:15 UTC
This can/should be closed. This was generated automatically in err.

Note You need to log in before you can comment on or make changes to this bug.