Fedora 33: cflow 2021-e8cab459ab | LinuxSecurity.com

Advisories

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Fedora Update Notification
FEDORA-2021-e8cab459ab
2021-06-01 01:04:42.861221
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Name        : cflow
Product     : Fedora 33
Version     : 1.6
Release     : 8.fc33
URL         : https://www.gnu.org/software/cflow/
Summary     : Analyzes C files charting control flow within the program
Description :
GNU cflow analyzes a collection of C source files and prints a graph,
charting control flow within the program.

GNU cflow is able to produce both direct and inverted flowgraphs for C
sources. Optionally a cross-reference listing can be generated. Two
output formats are implemented: POSIX and GNU (extended).

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Update Information:

Fix a use after free problem
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ChangeLog:

* Sat May 22 2021 Terje Rosten  - 1.6-8
- Fix use after free issue
* Tue Jan 26 2021 Fedora Release Engineering  - 1.6-7
- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
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References:

  [ 1 ] Bug #1962214 - CVE-2020-23856 cflow: use-after-free in call() in src/parser.c [fedora-all]
        https://bugzilla.redhat.com/show_bug.cgi?id=1962214
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-e8cab459ab' at the command
line. For more information, refer to the dnf documentation available at
https://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

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/keys
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Fedora 33: cflow 2021-e8cab459ab

May 31, 2021

Summary

GNU cflow analyzes a collection of C source files and prints a graph,

charting control flow within the program.

GNU cflow is able to produce both direct and inverted flowgraphs for C

sources. Optionally a cross-reference listing can be generated. Two

output formats are implemented: POSIX and GNU (extended).

Update Information:

Fix a use after free problem

Change Log

* Sat May 22 2021 Terje Rosten - 1.6-8 - Fix use after free issue * Tue Jan 26 2021 Fedora Release Engineering - 1.6-7 - Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild

References

[ 1 ] Bug #1962214 - CVE-2020-23856 cflow: use-after-free in call() in src/parser.c [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=1962214

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2021-e8cab459ab' at the command line. For more information, refer to the dnf documentation available at https://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

Severity
Name : cflow
Product : Fedora 33
Version : 1.6
Release : 8.fc33
URL : https://www.gnu.org/software/cflow/
Summary : Analyzes C files charting control flow within the program

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